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The doctor can send for tests at any time, but women often doubt whether their periods can affect the result of the analysis.

It is advisable to discuss all questions regarding contraindications with a doctor before donating blood.

If your period came unexpectedly on the day of your visit to the laboratory, you can donate blood, but when you visit the doctor, you must report that there was menstruation on that day.

The effect of menstruation on the blood

Monthly can distort the results of some indicators of the analysis

Menstruation begins in a girl at the age when her body begins to mature for childbirth, and continues until the end of the reproductive age (menopause). These terms are individual and largely depend on the hormonal background of the body.

As for whether it is possible to take a blood test during menstruation, it depends on the analysis itself. The result of different tests may vary depending on the cycle of the woman.

The menstrual cycle ranges from 25 to 35 days and is set to puberty. If possible, doctors recommend donating blood in the middle of the cycle (starting from day 5 to day 26 of the cycle).

The essence of this phenomenon lies in the fact that the endometrium (the uterine layer, which creates a favorable environment for the implantation of the embryo) constantly thickens over the course of the cycle.

If fertilization does not occur, the endometrium exfoliates, opening the vessels, leading to monthly bleeding and removal of the endometrium from the uterus. With the end of bleeding, the endometrium begins to grow again until the next menstruation.

This process can not affect the composition of the blood. During the bleeding period, the blood undergoes the following changes:

  • ESR increases. When menstruation often occurs pain syndrome, spasm, which leads to an increase in the erythrocyte sedimentation rate. When tested, this can lead to an erroneous diagnosis, since increased ESR usually indicates an inflammatory process.
  • Hemoglobin decreases. As a certain part of the blood is lost, the hemoglobin level falls, but within the limits of the permissible rate.
  • Coagulability decreases. Blood loss also leads to a reduction in platelet levels, which can be significant.
  • There is a change in the balance of hormones. Monthly controlled hormones, the balance of which varies with the cycle.

In order to donate blood and get an unmistakable result, it is advisable to choose the middle of the cycle or retake blood 5 days after the end of menstruation. This will avoid mistakes in diagnosis.

Analyzes that are not recommended for monthly

General and biochemical blood tests are not recommended during menstruation.

There are a number of tests that it is advisable not to pass during menstruation or retake after the end of bleeding.

Since the menstrual cycle repeats and has a certain periodicity, it is quite simple to calculate when it is desirable to donate blood.

In case of delays or failures, the analysis should be re-passed.

If the case is urgent, an urgent operation is required, then blood can be donated at any time during the cycle, but taking into account its features.

It is undesirable to pass during menstruation:

  1. Biochemical analysis. When biochemical analysis in the blood is determined by the level of enzymes, proteins, bilirubin. Indicators may vary slightly depending on the individual characteristics of the organism, however, doctors still recommend refraining from taking a biochemical analysis during menstruation.
  2. General blood analysis. This analysis includes the level of platelets, leukocytes, ESR, hemoglobin - all those indicators that necessarily change during menstruation. The probability that the result will be erroneous is large enough, so it is advisable to postpone the deadline to the middle of the cycle.
  3. Blood on tumor markers. Due to the nature of the female body during menstruation, the test for tumor markers can give a false positive result.
  4. Blood for viscosity. Viscosity during menstruation changes significantly. A blood test for viscosity and coagulability should be deferred to the middle of the cycle.
  5. Also not recommended for menstruation to become a blood donor. It is dangerous for the body, which already suffers from blood loss. During the delivery of a large amount of blood, a woman’s condition may deteriorate dramatically.

More information about how menstruation affects the analysis results can be found in the video:

The reason why it is not recommended to donate blood during menstruation is not only a change in its composition. Often a woman takes a variety of painkillers to relieve spasm, and this can affect the result.

Some women complain of feeling unwell during critical days. Their blood pressure drops and their general condition worsens. Blood donation in this case will be an additional stress for the body, which is desirable to avoid.

Allowable blood tests

During menstruation, you can take a blood test for some hormones.

Some tests are not only permissible to pass during menstruation, because the result does not depend on the cycle, but it is even recommended to pass at this time of the cycle. Most often, these are hormonal analyzes, which allow to reveal the level of female sex hormones at different times of the cycle.

It should be remembered that for the delivery of a certain hormone one day or another cycle is necessary. Usually recommended 5-7 day.

Taking an analysis during menstruation is recommended when determining the level of the following hormones:

  • Prolactin. It is a hormone responsible for lactation, but it is also synthesized outside of pregnancy and HB. The level of the hormone changes both with the cycle and with the course of the day, so it is recommended to take it at the same time, but on different days of the cycle.
  • FSH. Follicle-stimulating hormone affects the normal functioning of many sex glands. As a rule, it stands out in large quantities at the beginning of the cycle and prepares the maturation of the egg. A sharp rise in FSH in the blood indicates ovulation. The level of FSH is determined at different cycle times for the diagnosis of infertility, the definition of menopause.
  • Luteinizing hormone. This hormone stimulates the sex glands in the second half of the cycle, when the level of FSH decreases. The level of this hormone rises sharply immediately after the ovulatory peak. The analysis is used to diagnose infertility, menstrual disorders.
  • Estradiol. This is a type of estrogen. The reproductive function of a woman depends on its quantity. As the cycle progresses, hormone levels change. Its peak occurs at the time of ovulation. During pregnancy, estradiol levels increase. Using the estradiol test, various pathologies of the ovaries and uterus are diagnosed. Very often, an analysis is prescribed for uterine bleeding in the middle of the cycle.

As for the blood test for PCR, menstruation is not a contraindication, but it should be borne in mind that there is a chance of a false positive result for some infections.

Is it possible to donate blood during menstruation

Is it possible to donate blood during menstruation

The question of whether it is possible to donate blood during menstruation is relevant for most women.

After all, the need to undergo laboratory tests may arise even during menstruation.

To understand whether it is possible to donate blood to a woman during menstruation, you need to know what research will be conducted. There are the following types of blood tests:

  • General clinical analysis - a blood test for such key indicators as red blood cells and their sedimentation rate, platelets, hemoglobin, leukocyte group and components of this group.
  • Blood biochemical parameters.
  • Blood test for glucose level.
  • Hormonal blood tests.
  • Serological studies.
  • Diagnosis of allergies.
  • Immunological blood test,
  • Determination of the level of blood clotting.
  • Blood test for oncology.
  • Diagnosis of blood by the method of polymerase chain reaction (PCR).

As can be seen from the list, there are quite a large number of different blood tests. Some of the tests can be taken only on a certain menstrual day, some types of studies may be taken only outside of menstruation.

Why not donate blood during menstruation

Monthly - a process in which the rejection of the endometrium, increased during the previous menstrual cycle. Each menstrual cycle begins with a small blood loss, which lasts an average of 4-5 days. As a result, a woman may change some blood parameters.

  • Hemoglobin decreases during menstruation.
  • ESR increases due to inflammation as a result of rejection of the endometrium.
  • The number of red blood cells will increase while platelets and white blood cells are markedly reduced.

Some women feel quite severe pain in the abdominal cavity during menstruation and take painkillers. They may also change some blood parameters.

What blood test for menstruation will be informative

Taking tests for menstruation is the most informative way to find out the amount of hormones in a woman’s body. A girl can safely go for a blood test during menstruation, if the study will be conducted on the following hormones:

  • FSH.
  • Estradiol.
  • Antimulir hormone that determines the ovarian reserve of women.
  • Steroid hormone - progesterone.
  • Prolactin.
  • Luteinizing hormone.
  • Testosterone.
  • Cortisol.
  • Other hormonal studies.

A blood test during menstruation for hormones is usually given on the 2-3 day of the cycle. Some doctors ask their patients to take hormones on certain days of the cycle outside the menstrual flow. For example, prolactin can be taken either on the 2-3 day of the cycle, or on the 21 day.

Can I donate blood for other types of tests?

Of all the above types, blood can be donated only for serological testing. If there is an infectious disease in the body, it will be visible no matter on which day of the cycle the material was received.

On whether it is possible to pass tests during menstruation for the presence of oncology or gynecological infections, there is one answer - no. If blood is given for analysis during menstruation, then most often the patient receives a false positive result.

How and when to donate blood

If the doctor did not specify certain days of the cycle for the tests, and the woman can choose the day for the test, then it is best if at least 3-4 days pass after the end of her period. That is, on average, from 7–8 days and until the beginning of a new cycle, blood and urine indicators will be most reliable.

Blood must be taken on an empty stomach, a couple of sips of water are allowed after brushing your teeth. In some cases, the doctor allows you to eat before testing. If the expert did not mention permission to eat, then it is necessary to refrain from eating at least 8 hours before delivery.

Do not cross your legs while taking blood.

After the analysis, it is advisable to eat candy or drink sweet tea. Then the level of glucose in the blood rises slightly, which means that the state of health improves.

Features of blood donation during menstruation

A general blood test is required to be performed regularly, and not in the case of the disease. This will help control the state of the body, and, if necessary, provide timely assistance.

Regardless of the type of blood test, whether it is general, blood biochemistry or any other, it is necessary to periodically check the quantitative indicator of red blood cells, leukocytes and platelets.

Blood plasma also requires a detailed study of the most important indicators for human life.

There are a number of features and prohibitions in preparing for the delivery of the analysis. One of the special cases is a blood test for menstruation. For the body, it is a kind of shock; physiological malaise exhausts it in every possible way.

A blood test during this period may be unreliable, as some indicators increase, while others decrease. Of course, it is impossible to impose a ban on testing on such days, but some inaccuracies must be taken into account.

Possible abnormalities

For greater objectivity, it is necessary to warn the health care provider about their condition.

If there is no urgent need to take blood during this period, for example, it is better to refrain from such a procedure.

For blood donation, a woman is categorically inappropriate on such days. The hemoglobin level in the blood during menstruation is lowered, and blood transfusions will aggravate the situation.

Donation is allowed only in case of emergency when the patient loses a lot of blood. The same can be said about the test control for the final diagnosis.

No matter how accurate the equipment with which the laboratory tests are carried out, the decoding of the blood test during menstruation will be distorted, and the indicators will be shifted.

Blood count indicators for menstruation will be inaccurate

What components of blood change

To determine whether you can take a blood test for menstruation, you need to weigh the pros and cons together with your doctor. The erythrocyte sedimentation rate in a clinical blood test will differ from the true data.

When the blood test during menstruation showed an increased level of ESR, this means a strong inflammatory process in the body or infectious diseases.

When menstruation blood rate indicators is different, so do not rush to the approval of a specific diagnosis.

Indicate a blood test with monthly lymphocytes, the number of which decreases along with platelets, red blood cells, on the contrary, increase the number. The rate of blood clotting may also fall.

Virtually the entire range of indicators will give false information about changes in the body. If the period of menstruation is complicated by a painful syndrome, women often take medicines that also affect the outcome of the study.

It is important to take into account this feature in the diagnosis of blood tumor markers, the decoding of the analysis for the monthly which is exactly wrong.

Recommended Studies

There are variations in the blood test during menstruation, for which this period is convenient. Some blood components recommend checking just from the first to the fifth days of menstruation.

These include, above all, numerous analyzes of the hormonal series.

For example, such as: checking the level of prolactin, determining indicators of follicle-stimulating and luteinizing hormones, studying the level of cortisol, testosterone and estradiol.

Table of indicators for analysis of hormones

Gynecologists advise to take these types of tests from the fifth to the seventh days of the menstrual cycle. It is also important to know that the control of the presence of infections of certain groups is not susceptible to distortion by the period of menstruation.

Allowable limits

Let's start with the first stage of deciphering the blood test - leukocytes. The normal condition of a person is characterized by an indicator in the range from three to ten thousand per one ml.

Leukocyte elevation is a disorder that is not catastrophic when analyzing blood during menstruation.

During menopause, this indicates the presence of infectious, fungal or viral diseases.

The appearance of leukocytosis may also signal more serious problems of the body, such as colitis, renal failure, gastritis, anemia, exhaustion, or even abnormalities in the bone marrow. This is a list of the most frequent diseases, a sign of which is an increase in leukocytes. The number of cases requiring urgent intervention by a specialist is much wider.

The rate of red blood cells is enclosed in frames from 3.8 to 5.8 million per 1 ml.

An increase in the indicator may indicate hidden problems of the cardiovascular system, loss of an acceptable level of fluid in the body, or a variety of poisonings.

A serious decrease in the red blood cell level indicates a confirmation of anemia in the patient.

Normal hemoglobin in the blood varies from 120 to 160 g / l for women. A jump in performance signals chronic leukemia. Also, it may be the complexity of blood clotting or heavy bleeding, having a periodic nature.

The color indicator of blood ranges from 0.85 to 1. Its increase is triggered by macrocytosis, anemia of folic deficiency, and B12 deficiency. A low level of color index reveals the presence of hemoglobin synthesis and a reduction in the number of red blood cells.

No less significant indicator of blood is hematocrit. The hematocrit rate ranges from 35% to 45%. An increase in the size of the mass of erythrocytes proportionally increases this ratio.

A decrease in hematocrit occurs with frequent bleeding and hemolysis of red blood cells. A high salt concentration in the body and pregnancy can also be the cause of a lower score.

Menstrual break

The clearest and objective answers to blood tests are obtained precisely during the menstrual pause. The quality of the laboratory analysis is the highest during this period.

Implies the length of time from the seventh to the fifteenth days of menopause.

К этому времени полностью завершается восстановление женского организма от пережитой кровопотери, и еще не началась интенсивная подготовка к очередному этапу менструального цикла.

Фазы менструального цикла

If the desire to pass tests is prophylactic, it is better to calculate the best time for this in advance.

We are not talking about the need for immediate consultation of the doctor or for medical treatment.

The doctor, warned that the analysis was done during menstruation, will be able to correctly diagnose the patient's condition, taking into account the deviation from the norm of certain quantitative blood parameters.

The special structure of the female body makes it not always ready to make a correct diagnosis. The same applies to pregnancy.

Taking out a child is not an easy test for a woman; therefore, shifts in the indices of blood components at this time are possible, as during menstruation.

Pregnancy is not the best period for conducting preventive tests, only if it is not necessary to monitor the state of pregnancy and the health of the child.

The chance to get a qualitative description of blood tests will increase if they are carried out by qualified specialists from proven clinics and diagnostic centers. Otherwise, you can spend extra time on numerous control tests to specify the diagnosis.

Blood test during menstruation: the pros and cons

A general or biochemical blood test or some other kind of analysis must be carried out periodically. This is necessary in order to keep under control all blood counts.

The number of red blood cells, platelets and leukocytes is most often controlled.

Also under the control gets the plasma, which also contains a very large number of important indicators for the vital activity of the body.

Before you take a blood test, you need to remember some existing warnings or bans. In this article we will talk directly about the survey during menstruation.

At this time, the body itself is experiencing significant malaise and one can even say - shock. Some indicators rise and fall and naturally a blood test will show not reliable information.

There is no special ban on the passage of this procedure, just the permissible limits will be slightly different.

During menstruation, you can take a blood test, the main thing is to warn the doctor. This is recommended to do only in the most urgent situations, if it is necessary to diagnose the disease.

As for donation, doctors categorically do not recommend doing this at such a time.

The fact is that during menstruation the level of hemoglobin decreases in the blood, and most recipients just need to increase it.

It is allowed to become a donor only in extreme cases, if the patient needs a transfusion after the loss of a large amount of blood. Only then can doctors agree to this.

In all other situations, donation during menstruation is not practiced. This also applies to control studies when it is necessary to confirm or deny the diagnosis.

During the month, even the most modern equipment will not be able to confirm the exact picture. All components will be shot down.

As mentioned above, during the menstruation in the blood test, some indicators change. For example, a complete blood count will show an increased amount of erythrocyte sedimentation rate.

In normal times, a significant increase in ESR indicates directly the development of an inflammatory or infectious process in the body. This can serve as an incorrect decoding and diagnosis.

With regard to other features, in women during menstruation the number of platelets and leukocytes decreases, but on the other hand, red blood cells increase. Also, all this may decrease blood clotting.

In general, almost all indicators will indicate many false changes in the blood. In addition to this, different medicines significantly affect the blood test, if taken during menstruation.

Especially it concerns the diagnosis of tumor markers, since the decoding will definitely be incorrect.

In order for the blood test to be the most accurate, it is better to take it during the menstrual pause. You can start from the seventh day after the end of the month.

What studies are recommended

Despite the fact that a blood test is not recommended to take during a menstrual problem, as this is not the right time to monitor health.

But, despite this, many tests on the contrary are prescribed to take only 1-5 days of the menstrual cycle. First of all, these are all tests for the study of hormones.

More specifically, the analysis of prolactin, luteinizing and follicle-stimulating hormones, testosterone, cortisol and estradiol.

Doctors-gynecologists recommend taking such an analysis for 5-7 days of the menstrual cycle. Even the time of menstruation does not affect the blood test, which determines the presence of infection of certain diseases.

Blood test

It must be done regularly to monitor blood counts, the general condition of the body. There are several common tests:

  • Biochemical. Gives an idea of ​​the functioning of various organs, the level of metabolic processes by counting proteins, enzymes, bilirubin, cholesterol, etc.,
  • Overall. Identifies the balance of red blood cells, leukocytes, platelets, ESR, hemoglobin level, which allows to determine the negative changes occurring in the body,
  • For hormones. Needed to diagnose a variety of diseases, including gynecological,
  • For sugar. Determines the level of glucose, allows you to identify endocrine disorders,
  • Serological. Establishes the presence in the body of bacteria or viruses
  • Immunological. Determines the level of disease resistance,
  • Allergological tests. Identify intolerance to any substances
  • PCR. Makes you aware of the presence of urological and gynecological infections. Sensitive to the presence of extraneous DNA,
  • On coagulability. Allows you to find out the viscosity of blood, its deviations in one direction or another,
  • On tumor markers. Detects the presence of a tumor, thanks to the vision of the proteins it produces.

Why not donate blood during menstruation

It is no secret that blood is a direct participant in menstruation. It falls into the discharge from the damaged vessels of the functional layer of the endometrium. Even if a woman is healthy, she accepts herself on critical days, she inevitably loses some blood. To be tested during menstruation means to subject the body to new stress.

Some blood parameters during menstruation change. Painful sensations inherent in critical days cause an increase in the erythrocyte sedimentation rate. This is a criterion characterizing the presence or absence of an inflammatory or infectious process. A woman with menstruation will have a significantly higher number of red blood cells and the number of platelets and leukocytes will decrease. Blood viscosity during menstruation often changes. All of the above means that the overall analysis, as well as clotting during this period is not sufficiently informative. If there is no urgent need to take them, it is better to wait for the middle of the cycle.

On critical days, the level of hemoglobin inevitably decreases, the biochemical components of blood change. Most women take painkillers that can affect the analysis. All this makes such a study insufficiently informative.

A monthly PCR analysis can give a false positive result for the reasons already described. Research on tumor markers will also have to be postponed until the end of critical days. Both of them reveal serious illnesses, so a mistake can lead to unpredictable and dangerous consequences.

When menstruation is not a hindrance to blood tests.

1. Regarding hormone research, it should be done on critical days. Best suited 5-7 day cycle. This is the most accurate way to find out the concentration:

  • Prolactin,
  • FSH,
  • Luteinizing hormone,
  • Testosterone,
  • Cortisol
  • Estradiol.

It is important during this period not to take drugs, they can “smear” the result of the study.

2. Monthly can not also interfere with the serological analysis of blood. He will let you know about the infectious disease anyway.

Urine test

This is another material that can tell the specialist a lot about the patient. Its components are subject to both external and internal effects. And if the latter is the one that carries information about health, the former can seriously distort the picture. Therefore, urine analysis during menstruation, if not to do without it, requires special conditions:

  • Women need to wash immediately before collecting the material. It is unacceptable that the blood of menstrual flow, epithelium particles fall into the contents for analysis. However, you need to wash without disinfectants and antibacterial agents. They are also able to significantly affect the result,
  • In order to avoid menstrual flow in the urine at the time of its collection, it is necessary to insert a tampon into the vagina.

And yet, despite the precautions, such a study during menstruation can give false data:

  • Darker color means a violation of the outflow of bile or failure of the liver, and with red - glomerulonephritis. Menstrual blood, once in the urine, can give any shade, giving incorrect information,
  • Increased specific gravity of the material in the presence of particles of menstrual flow incorrectly witnesses heart failure or diabetes mellitus,
  • Turbid urine with red blood cells is able to induce false confidence that the patient has a malignant tumor of the female organs or the excretory system, arterial hypertension, systemic diseases or intoxication,
  • A large amount of sediment with uterine epithelium, which during menstruation is very likely to cause the doctor to unreasonably suggest jaundice, cystitis, allergy to drugs or urolithiasis in a patient,
  • A high white blood cell count will give deceptive information about the inflammatory process in the kidneys or urinary tract.

Ultrasound procedure

Science has given the opportunity to detect with its help many diseases at an early stage. This analysis has virtually no contraindications, makes it possible to evaluate the results of treatment and monitor the process. Ultrasound during the monthly informative if necessary examination of any organs, except those that are located in the pelvis. Last to identify pathologies in them need to look at certain days of the cycle. For example, the ovaries and uterus in 5-10 days. Thanks to the ultrasound specialist will identify the inflammatory process in the appendages, endometriosis.

Why it can not be held in critical days? There are several reasons:

  • Menstrual bleeding can make invisible small tumors,
  • The size of the endometrium on critical days is not determined,
  • The use of a vaginal transducer during this period is inconvenient and unhygienic.

You can do ultrasound during menstruation in special circumstances:

  • Intensive menstruation. Often they occur for pathological reasons, so the specialist needs to find out what happens in the genitals exactly on critical days,
  • Likelihood of polyps, uterine fibroids or hyperplasia. The examination is carried out on 1-3 days of the cycle, until the thickness of the endometrium has increased,
  • Cyst size up to 10 mm. During menstruation, it is clearly visible, you can identify its type and size,
  • The need for examination of the follicle. This information is useful for infertility, violation of the cycle. It helps to reveal the day of ovulation.

The combination of all the existing tests for today gives a complete picture of the state of the body. A woman can feel great, and studies of her material in the laboratory or with the help of medical technology will let you know about the onset of the disease. Or vice versa, the discomfort makes you think about the disease, and the tests will show that everything is in order, you just need to normalize your state of mind. Whether it is possible to donate blood, other material during menstruation, depends on the type of research and the degree of necessity. To avoid unnecessary worries about health due to possible errors in the interpretation of tests, it is worthwhile to postpone most of them until the end of menstruation.

When can I take a blood test

The most optimal time for blood analysis is the middle of the cycle and the second phase ̶ from 10-12th to 28th days. This applies to all standard types of research: general, biochemical analysis, clotting.

In some cases, blood can be donated for subsequent examination, not taking into account the day of the cycle. Namely:

  • HIV, hepatitis, syphilis,
  • blood for genital infections for ELISA,
  • blood for the TORCH-complex must be donated when planning a pregnancy,
  • blood test for thyroid hormones, prolactin, testosterone, DHEA, cortisol and some others.

As for blood tests for sex hormones, they must be taken on certain days of the cycle:

  • on the 5-7th day ̶ estrogen, FSH, LH,
  • on the 21st – 23rd days ̶ progesterone.

See in this video about why and how donated blood for sex hormones:

Blood readings are normal during menstruation.

The following changes in the analyzes are possible if you take them during the critical days:

  • complete blood count: decrease in hemoglobin level, increased ESR, leukocyte count, decrease in platelet count,
  • coagulogram: reduced coagulation ability,
  • biochemical study: reducing the level of total protein.

However, in some cases, the changes will not be noticeable and the indicators will fit into the necessary standards.

Can I take a urine test

Theoretical studies of urine can be carried out without paying attention to the day of the cycle. However, in the case of testing during menstruation, the woman must ensure that the vaginal discharge does not fall into a collection jar. To this end, you must carefully close the entrance to the vagina with a cotton disc, and it is better to lay a tampon, and then carry out hygienic measures.

If this is not taken care of, then the elements of the discharge with blood will fall into the urine, which may lead to false results. Namely:

  • the appearance of fresh red blood cells in the urine from the menstrual flow, usually a sign of injury to the urinary tract,
  • there is a change in the color of urine in the presence of blood, usually it happens in diseases of the liver, kidneys, some infections,
  • leukocytes from vaginal secretions, in the normal state indicate inflammation in the urinary system.

Ultrasound during monthly: when you can and can not

It is possible or it is impossible to carry out ultrasound examination, depending on which organ will be examined. During critical days, if it does not bring discomfort to a woman, you can undergo an ultrasound of the abdominal organs, kidneys, lymph nodes throughout the body, and vessels in any place. For ultrasound, there are only some restrictions on the days of the cycle in the event that an inspection of the genitals is performed.

Ultrasound of the uterus, appendages in the case of a routine examination should be carried out on the 7-10th day of the cycle. It is assumed that at this time there is still a small spotting from the genital tract. However, these days are the most informative for finding pathology of the uterus, cysts on the ovaries.

If the doctor is trying to establish or refute the diagnosis of endometriosis, it is better to do an ultrasound on the eve of menstruation, on the 25-26th days. At this time, the foci are of the greatest size and clearer outlines.

In case of emergency, an ultrasound scan of the genital organs is performed on any day of the cycle to help establish the diagnosis, if necessary, to carry out monitoring according to generally accepted recommendations.

What other tests for monthly should not do

It makes no sense to visit a gynecologist during menstruation, unless, of course, there is no bleeding or suspicion of any serious pathology. Inspection can be made, but its information content will be reduced.

Taking any smears from the vagina or cervix even if there is only a spotting and very slight discharge is a waste of time. This is explained by the fact that smears in any case will show signs of inflammation, and if the material was taken for analysis on oncocytology, you can skip the malignant cells due to the abundance of leukocytes and red blood cells in the preparation.

Cytological examination of the cervix (indicators normal)

The same applies to the study by PCR for genital infections. It is possible to take such analyzes only after complete termination of the secretions from the genital tract, otherwise the results may be incorrect.

What examinations can be done

Theoretically, any analyzes (except smears) can be taken during critical days, there are no specifically written rules and recommendations in this case. However, if the examination is carried out in a planned manner, according to the unwritten law, it is better to transfer them to more favorable days when the menstruation is over.

When research is needed on an emergency basis, no one ever pays attention to the day of the cycle, but in analyzing the data, some adjustments may be made to the critical days.

And here more about what and when to pass tests for hormones.

Analyzes can be taken during menstruation. Однако многие девушки отказываются от этого из-за ощущения дискомфорта из-за болей или обильности выделений. В целом результаты исследований могут оказаться несколько измененными, однако широкие значения нормы обычно позволяют войти в необходимые границы.

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Norm of indicators

The first on the list of analysis are leukocytes. Normally, their number should not exceed from 3.5 to 10 thousand in 1 ml. Anything above the norm is considered a violation, and during menstruation can produce false results.

If you do not take into account the time of menstruation, then with increased content this may indicate the presence of infectious diseases. For example, viral or fungal various diseases.

This also applies to the presence of bone marrow disease, colitis, gastritis, renal failure, exhaustion or anemia.

There are many more such situations when intervention is required with increased levels of white blood cells.

Erythrocytes normally should be no more than 3.8 - 5.8 million in 1 ml.

An increased amount indicates the presence of possible problems with the cardiovascular system, acute poisoning and fluid loss.

If the indicator is significantly underestimated, then this is an exact sign of anemia.

Normal hemoglobin should be in the range from 120 to 160 g / l and 20 g / l more for men.

Excessive rates may be in chronic leukemia, with problems with blood clotting or recurrent serious bleeding.

Analysis of the color indicator, as a rule, ranges from 0.85 to 1.05.

May be overestimated with macrocytosis, folic deficiency anemia, or B12-deficient anemia.

If, on the contrary, the level is lowered, this may be the reason for the presence of hemoglobin synthesis or a change in the size of red blood cells, also downward.

There is another equally important indicator in the blood - this is hematocrit. Its rate should be no more than 35% - 45%. The ratio may increase with an increase in erythrocyte mass.

A decrease analysis can be only with regular bleeding or hemolysis of red blood cells. A decrease may also indicate a pregnancy or a high salt content in the body.

Changes in the body during menstruation

In the process of menstruation, endometrium is rejected, which lines the uterus from the inside. Within a few days there is a release of blood from the female genital tract. The hue of the color of the blood can be different, it depends on the day of the cycle, and on the state of the body.

Periodically repeating, menstruation lasts from 3 days to 5. The cycle begins on the first day of discharge, ends on the last day before the next menstruation.

At the end of this period, the endometrial layer becomes as thick as possible, gaining the ability to retain a fertilized egg.

If conception does not happen, an unnecessary layer of the endometrium leaves the uterus, causing menstrual bleeding.

Some control studies during the period of menstruation are not possible, since many short-term changes occur in the body. The result will not be reliable.

On critical days, the following blood counts change:

  1. An increase in ESR is observed in the first days of menstrual bleeding. Now it is considered normal, and on the other days of the cycle it indicates the presence of inflammatory processes in the body. To avoid mistakes in diagnosis, it is better to pass this analysis later.
  2. Decrease in the number of platelets and leukocytes with an increase in the number of red blood cells.
  3. Changes in blood clotting, which is becoming more fluid, which can cause improperly prescribed treatment.

Changes in the composition of the blood, which are a natural consequence of a change in the state of a woman, should not be frightening. In addition, medications taken on critical days can also affect test results.

General analysis

This analysis includes the study of the state of such indicators as platelet and leukocyte levels, erythrocyte sedimentation rate and hemoglobin.

All these data in different phases of the menstrual cycle may be different.

The high probability of an erroneous diagnosis, based on such a result, excludes the possibility of passing this analysis on menstruation days.

Thus, a complete blood count during menstruation is not recommended. It is better to move it to the middle of the cycle. It is possible to conduct research within 4-5 days after the end of the month.

Such limitations are also connected with the fact that even a small loss of blood leads to a decrease in the level of hemoglobin in the body.

The blood clotting system becomes more active. So nature takes care to stop the bleeding.

In accordance with this, the indicators of a general blood test, given on menstruation days, will not be correct.

The results of this analysis, the factor of the presence of menstruation can not affect. If you suspect many diseases of an inflammatory nature make an analysis of syphilis.

Selection of a specific day of the cycle is considered unnecessary, since the results of diagnostics depend not on the level of hormones, but on the presence or absence of the causative agent of the disease.

Some doctors still hold the opinion that the analysis of syphilis is best carried out immediately after the end of menstruation, considering such a diagnosis to be more accurate.

If the term allows, then you can wait a few days and do as your doctor recommends.

If the disease is acute and tests are needed urgently, blood for RW can be donated during menstruation.

RW blood test

Hormones

Hormonal analyzes more than others depend on a specific day of the menstrual cycle.

This is due to the fact that hormones are very susceptible to such processes as, for example, ovulation.

That is why each hormonal analysis is recommended to be carried out strictly on the specified day of the menstrual cycle.

Hormone delivery during menstruation is indicated if you suspect:

  • polycystic ovaries,
  • infertility,
  • neoplasms in the uterus, which are benign,
  • disorders of the thyroid gland,
  • deviations in the reproductive system.

Only an analysis delivered at a specified time can give a complete detailed picture of the state of the organism.

If the doctor’s appointment is not fulfilled, you should wait for the next cycle and donate blood on the right day.

Otherwise, the result will be completely unsuitable for diagnosis and prescription of treatment.

Other blood tests

During menstruation it is not recommended to take some types of other tests. It:

  1. Blood biochemistry. It shows the level of protein, bilirubin, enzymes. Indicators can change under the influence of external factors and strong stimuli, which is menstruation.
  2. Analysis for oncological markers. A sharp jump in the level of hormones can provoke unreliable results. It is better to conduct a similar study after menstruation.
  3. Test for blood viscosity. It is unacceptable in the process of menstruation to conduct a similar study, as the body, starting the mechanism of protection against bleeding, he raises the level of viscosity.
  4. Glucose test. In most cases, the result is unreliable, and the jumps can be quite large. In some cases, the result of such an analysis may even scare the patient, so it is better to check the level of sugar after menstruation.
  5. Allergy tests. The body these days is extremely susceptible to irritants, so the allergy test will not give a reliable result.
  6. Immunological tests. A week after menstruation is the best time for such a study.

You should be attentive to the analysis if, on the days of delivery, a woman takes medications that can affect the result.

The most reliable in all respects is considered to be the results of tests submitted on the 7th day of the menstrual cycle.

It should be noted that this period occurs 2-4 days after the end of the month.

During the period of menstruation donor blood flow is strictly prohibited.

A decrease in hemoglobin level, a blood clotting disorder are the main reasons why this should not be done.

As a result, the overall condition of the donor can significantly deteriorate, the body will experience severe stress. The risk of bleeding is large enough.

You should not run to the donor center immediately after the end of your period. It is better if this is done on a 10-14 day cycle.

At this time, the phase of the menstrual cycle is characterized by such an indicator as increased endurance of the body, now women need to become donors.

No one will check this delicate fact, but the harm done, first and foremost, to oneself and one's health, can be irreparable.

Is donation of blood allowed during menstruation?

Rate of results

When receiving the results of analyzes, I would like to quickly look at the coveted leaflet and analyze the indicators. However, it is not always possible to do this quickly, since the numbers next to the names of the elements being checked are often incomprehensible.

To clarify, you should know which results are normal:

  1. Leukocytes. The rate of 1 ml - from 3500 to 10,000 units.
  2. Hemoglobin. Per liter should account for not less than 120 grams and not more than 160. This figure is calculated specifically for the fair sex. Pregnancy involves a special approach to the analysis of this indicator.
  3. Red blood cells. The normal rate may range from 0.85 to 1.05.
  4. Hematocrit. Normally, from 35% to 45%.

The result of exceeding the norm or with a clear decrease should be immediately shown to the doctor. Self-treatment in most cases is unacceptable. Abnormalities in most studies may indicate serious health problems. Delay can cost life.

How to delay monthly for several days? Read in the article about the physiology of the female body, ways to delay menstruation, drugs that can be taken for these purposes.

Can there be a temperature before menstruation? Information here.

When is it best to give a blood test to a woman?

In order for the result to be as reliable as possible and to allow the doctor to get a complete picture of the patient's state of health, it is important to take into account all the factors influencing the final results. In preparation for the analysis should take into account primarily the time of day. Almost always it's early morning.

In addition to the time in which blood is donated for analysis, several factors must be taken into account:

  • any blood test is done on an empty stomach,
  • only water is allowed before the procedure
  • a few days before the study from the diet you need to eliminate fatty and spicy foods,
  • on treatment and monitoring days, you should give up bad habits,
  • intense exercise should be excluded
  • visiting baths, saunas, physiotherapeutic procedures is not recommended.

About why you can not donate blood during menstruation in some situations, every doctor knows. But it is important to remember that conducting blood tests should not be combined with other monitoring measures, because the body must be at rest.

You can or can not be tested in the days of menstruation, depends primarily on the type of analysis.

In some cases this is unacceptable, and in some cases highly recommended. This applies, for example, blood tests for hormone levels.

There are types of monitoring, where the phase of the cycle is not a decisive factor in analyzing the results.

On the video about testing for hormones

Blood test for menstruation and its features

We all have to have blood tests sooner or later. And it does not depend on whether a person is often ill or is completely healthy. The test results are required for medical examinations, to get a job, get help to the pool, etc.

Sometimes it is necessary to take tests urgently, unexpectedly and unplanned. If men can donate blood on any day of the month, then the situation is different for women.

Most women do not even think about which day of the cycle they donate blood for tests, and in general, is it possible to take blood tests during menstruation? In fact, there are no specific contraindications, but the results of blood tests during menstruation may be somewhat distorted.

It is important to understand which analysis, in which period it is better to pass, so that later the values ​​of the indicators are reliable.

In the blood tests during menstruation, some indicators do not undergo changes, however, one should not forget that there is a high probability that a distortion of the overall result is possible, hence the misdiagnosis.

However, the menstrual period is stressful for almost every woman: the body is weakened, the nervous system is excited.

For many, a blood test during menstruation can be an additional burden for the circulatory and nervous system and cause a deterioration of health during this period.

Also, additional blood loss during the test can trigger bleeding. Women are better not to donate blood for analysis during menstruation, and wait until they run out.

The results of blood tests during menstruation

Most experts recommend donating blood for analysis after menstruation, after 3-5 days. On critical days during menstrual flow, hemoglobin levels in the blood are significantly reduced due to significant blood loss.

During menstruation, the blood clotting system is activated, the viscosity of the blood increases.

For the same reason, the result of a biochemical analysis to determine the level of blood clotting may be incorrect, since blood coagulability in a woman’s body rises on critical days. Thus, nature itself takes care of preventing bleeding.

Also, do not pass the analysis to determine the level of D-Dimer. For menstruation in the blood test, this indicator will be overestimated. It is not necessary to take an analysis of an STI blood test; increased blood viscosity can cause false positive results.

Any analysis of blood during menstruation, if the blood is taken from a vein, may be distorted due to increased activity of blood clotting. When collecting material for analysis, the blood may collapse, and the results of the analysis will be incorrect.

In the results of the complete blood count, during menstruation in the first days of the cycle, hemoglobin and erythrocytes may increase, and then drop dramatically.

In addition to hemoglobin and red blood cells, the level of leukocytes and hematocrit is often reduced, and the ESR indicator (erythrocyte sedimentation rate), on the contrary, increases.

This can be interpreted as the development of an infectious or inflammatory process. Also, during the menstrual flow, the majority of women decrease the number of platelets in their blood.

During menstruation, the informative value of a blood test according to A. Z. Nechiporenko will be minimal. It is better to postpone this study for several days.

What tests can be done with monthly

In some situations, it is not only possible, but recommended to take blood tests during menstruation.

If we consider hormonal analyzes, then here the analysis for each hormone is tied to specific days of the cycle, in view of the fact that the hormonal background of a woman can vary significantly during the period of ovulation.

For hormones prolactin, testosterone, estradiol, follicle-stimulating hormone is better to take a blood test during menstruation or on the fifth or eighth day of the menstrual cycle.

These days are the most favorable for the analysis in the first phase of the cycle, in the second phase 18-22 days are suitable. From the choice of the day of the cycle will depend on the rate of prolactin in the blood.

Also, a blood test for RW (syphilis) can be taken during menstruation. The presence of menstrual flow will not affect the result of the analysis. When testing for infectious diseases, a blood test can also be taken on any day of the cycle. This is also not reflected in the results.

Most often, doctors insist that women should undergo blood tests after menstruation, not earlier than the fifth day after the end of the discharge.

However, if the doctor does not give special recommendations to the woman, and the special accuracy of the indicators described above is not required, then you can take a blood test during menstruation.

All our recommendations are suitable for routine surveys. There are emergency cases when test results are needed very urgently, immediate diagnosis is required.

Of course, if the question of life and death arises, you should not think about whether it is possible to take a blood test during menstruation, you should not wait for the end of discharge, because menstruation is not a contraindication.

In critical situations, if there is an urgent need for this, blood should be donated during menstruation, but the physician should be warned in advance about the presence of menstrual flow, which may affect the result.

Однако если в некоторых случаях все-таки можно сдавать во время менструальных выделений, то для сдачи анализов мочи и кала нужно обязательно дождаться окончания месячных.

Ни в коем случае нельзя сдавать мочу ранее, чем через 3-5 дней после окончания выделений и только после процедур личной гигиены.

In these analyzes, the blood, getting into the material for research, greatly distorts the results of tests, which can lead to incorrect diagnosis and the appointment of erroneous treatment.

And finally - in no case should not forget that the result of the tests can not be a diagnosis! To diagnose the presence of a disease can only be a specialist, the attending physician.

In no case should not be subjected to panic and self-medicate, especially if the results of tests can be questioned in connection with the collection of blood during menstruation in women.

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