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The question of whether it is possible to donate blood for tests during menstruation is of concern to many women who have to undergo a medical examination during the work process, as well as to self-diagnose their health status. This article will be reviewed. various types of analyzes and the dependence of the obtained indicators on the cycle is given, and also it is told whether it is possible to donate blood during menstruation and in what cases.

How can monthly periods affect your results?

In blood the following changes occur:

  1. Hemoglobin decreases.
  2. Coagulability decreases. With blood loss, the level of platelets responsible for blood clotting decreases.
  3. Increased ESR. Red blood cells settle faster due to painful cramps.
  4. The hormonal balance is changing.
Poor health during menstruation is not uncommon.

Additional blood sampling, in addition to false indicators, will only worsen the condition. The question of whether it is possible to take tests with monthly (and what) is agreed strictly with your doctor!

What tests can not pass?

The following is why not take blood during menses with certain tests:

Biochemistry.

It is recommended to analyze at another time.

General blood analysis.

Anna Ponyaeva. Graduated from Nizhny Novgorod Medical Academy (2007-2014) and Residency in Clinical Laboratory Diagnostics (2014-2016). Ask a question >>

Erroneous results will appear due to changes in the following indicators:

  1. Platelets (increase)
  2. Hemoglobin (falls),
  3. ESR (growing)
  4. White blood cells (increase).

Blood tests for oncology.

False positive results are possible.

Viscosity. Coagulability.

These indicators change significantly, blood thinning and clotting decrease, therefore, the delivery of these analyzes, as mentioned above, is postponed for a more favorable time (for example, in the middle of the cycle).

You may encounter problems when taking blood from a vein - it will be harder to stop.

Polymerase chain reaction.

You can take the analysis for PCR and other immunological studies, however false positive results are likely. A blood test for PCR is needed to identify many ailments in the initial stage:

  1. Hiv
  2. Herpes,
  3. Tick-borne encephalitis,
  4. Hepatitis,
  5. Candidiasis,
  6. Genital infections (Gardnerellosis, etc.),
  7. Human papillomavirus
  8. Tuberculosis,
  9. Cytomegalovirus,
  10. Mononucleosis,
  11. Listeriosis
  12. For sugar.

Progesterone and Estrogens strongly influence the result.

To identify the level of sugar test for the 7th day.

For allergy tests.

With high probability the results will be unreliable, sensitivity to allergic pathogens increases.

In case of emergency, the question of whether it is possible to take a blood test during menstruation is removed. Before an emergency operation, blood is taken regardless of the day of the cycle. However, it is necessary to take into account the changes that occur with the indicators in the specified period.

It is strictly forbidden to donate blood for donor purposes, as this is fraught with a sharp deterioration in the condition of a woman!

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What research monthly not a hindrance?

Sometimes a blood test during menstruation is given on the 5-7th day. This applies to hormones responsible for the health of the female genital:

Prolactin.

The main function of this hormone is the ability of women to give milk to a child, but its synthesis occurs regardless of whether the woman is pregnant or nursing.

The level of prolactin depends not only on the day of the cycle, but even on the time of day, therefore, for a more complete picture, such an analysis is taken several times per cycle.

FSH.

Without follicle-stimulating hormone, the normal functioning of many gonads is simply impossible. The highest level of this hormone is observed at the beginning of the cycle, as it is responsible for the maturation of the egg. FSH increases dramatically with ovulation and then decreases.

In order to diagnose infertility or determine menopause, blood for the hormone is given on different days of the cycle.

Luteinizing hormone.

Unlike FSH, the level of this hormone, on the contrary, increases after the release of the egg from the ovary. Tests for this hormone pass for violations of the cycle, as well as for the diagnosis of infertility.

Estradiol.

From this hormone, which is a type of estrogen, female reproductive function directly depends. The level changes throughout the cycle (peak - ovulation) and naturally increases during pregnancy. In most cases, estradiol blood is donated in the middle of the cycle. Such an analysis is also needed to identify various pathologies of the uterus, diseases of the ovaries.

RW.

A blood test for the Wasserman reaction reveals whether the patient has syphilis or other sexually transmitted diseases. Detected the presence of antibodies to pale treponema.

Menstruation is not a hindrance to the detection of viruses in the blood.

Cortisol.

It is recommended to donate blood on the 3-7th day of menstruation. However, a specialist may prescribe blood donation for cortisol on any day of the cycle to identify the following diseases:

  1. Osteoporosis,
  2. Overweight hairiness (hirsutism),
  3. Arterial hypertension
  4. CNS tumors,
  5. Muscle weakness.
  6. Testosterone.

Necessary for the full maturation of the follicle.

For rent on the 5-7th day of the cycle.

How do menses affect other studies?

Below is the answer to the question of whether it is possible to take other tests during menstruation:

Analysis of urine.

No serious need they don't give it away. Elevated white blood cells can give false information about renal ailments, and the uterine epithelium can create a suspicion of cystitis in a doctor. Turbid urine will create confidence in the presence of oncology. An undesirable tinge that signals hepatic disease (yellow) or glomerulonephritis (red) is possible. If necessary, a swab is inserted into the vagina before analysis.

Cal.

You can take a stool test only after washing the vagina and placing inside a tampon, in order to avoid blood on the test material.

Ultrasound.

During menstruation, you can use this method. only for the study of organs not located in the pelvis. Before menstrual periods, the question of the feasibility of an ultrasound scan is resolved with the doctor due to the fact that when diagnosing small tumors (in the uterus, ovaries), menstrual blood will interfere and show an erroneous picture. If it became necessary to use a vaginal sensor during diagnosis, the process may be complicated due to hygiene inconvenience.

In some cases, an ultrasound study on the contrary is prescribed during menstruation:

  1. With heavy menstruation (the specialist needs to determine what happens to the genitals these days)
  2. With polyps, myoma.

The study is conducted no later than the 3rd day of the cycle, since the endometrium will further thicken and this will interfere with the diagnosis.

The same applies to hyperplasia.

Cysts.

If the size of the cyst is up to 1 cm, then with monthly clearly visible and a specialist can identify its size and type.

Follicles

It is necessary to examine the follicle for the diagnosis of infertility, cycle disorders or to determine the day of ovulation.

For the procedure useful oilcloth, repellent liquid. Do not fill the bladder or douche. Also take a shower to improve hygienic conditions during the introduction of the sensor.

During menstruation, gynecological examinations are not performed using mirrors.

X-ray

It is not recommended to use this method during menstruation due to the vulnerability of the organism and the impossibility of using a contrast agent for some studies (for example, organs of the lower abdomen).

In conclusion, it should be said that all questions about whether it is possible to give blood for tests during menstruation, should be discussed with your doctor. However, if there is no such possibility (for example, in case of an urgent request for a medical examination from the management), then during the blood donation it is necessary to notify the laboratory technician about the onset of menstruation.

All kinds of research with health care!

Laboratory diagnostics based on the most advanced technologies for performing research provides an opportunity to collect complete information about the patient's health, confirm the absence of pathology or determine the causes and nature of the disease, and give further recommendations with high quality and in the shortest possible time.

A wide range of tests performed is represented by the Department of Biochemistry, general clinical studies, bacteriological and immunological studies, the Department of Cytology and examinations using hormonal, infectious, oncological panels.

Biochemical diagnostics, conducted with the help of modern biochemical analyzers, allows for a complete list of analyzes, as well as to accelerate the conduct of long-term tests. The material for research is the blood and urine of the patient.

Studies of the content of proteins and amino acids, lipids and various enzymes, glucose and carbohydrate metabolism products provide an opportunity for in-depth analysis of the human condition.

A particularly important section of research is the analysis performed on the content of trace elements in the body, the material for which is the hair and nails, as well as the urine or serum of the patient.

Hormonal, reproductive panels

Biochemical studies applicable in the study of hormonal abnormalities, various disorders of the endocrine glands, are carried out using specially selected for the content and structure, grouped tests for hormones, hormonal panel. This research area includes the survey of women of childbearing age - the reproductive panel.

It is recommended to take these analyzes in the morning, not to expose yourself to various loads on the eve of the material, as the level of hormones fluctuates during the day and under the influence of various factors: stress, physical or emotional overload.

Cytological studies, conducted mainly for the treatment of diseases of the urogenital area, are conducted to confirm the presence of urogenital infections and various deviations from the normal levels of bacteria in the surface tissues.

Hemostasis examination

The study of hemostasis or, in other words, a coagulogram suggests the possibility of analyzing the patient's tendency to thrombosis, hypo- and hypercoagulation, which is vital when using contraceptives, pregnancy, surgery, varicose veins therapy and in many other conditions, with a tendency to thromboembolism or hemorrhages.

General clinical trials include blood and urine tests, the material is taken on an empty stomach, the results are presented in tabular data, for comparison, the norms of the content of substances based on gender and age of the patient are indicated.

General blood analysis

A complete blood count, prescribed for almost any suspected presence of any disease, provides a detailed description of the content of various blood components:

  • the level of hemoglobin and haptoglobin, to study for the presence of anemia or pathology in the work of the heart, liver, diabetes, possible deviations of oxygen supply to the body’s tissues,
  • the content of red blood cells, changing in the presence of various pathological processes, as well as indicating the presence of tumors in the body,
  • the number of available leukocytes and the percentage of their content, which characterizes various properties of the body and the disruption of current processes, emphasizing the presence of inflammation,
  • ESR analysis and color index.

Equipping the laboratory with modern hematological electronic analyzers makes it possible to avoid errors during the microscopic examination of blood smears and other complex calculations, and makes it possible to analyze more than 20 blood parameters.

Infectious diagnosis

Research conducted in the laboratory with the help of an infection panel allows the doctor to carry out preventive diagnostics or quickly find out if there are hidden infectious processes. The efficiency of detection of viral hepatitis, tuberculosis, finding the human immunodeficiency virus, various sexually transmitted infections, timely PCR diagnostics can play a crucial role in the patient's life.

Bacteriological and immunological studies

Evaluation of cellular immunity, immunoglobulins of all classes is carried out, the effect of regulators of human immunity is assessed.

Immunological studies in the field of allergology are based on the action of various allergic panels, from sets of the most common allergens to rare, specific ones.

There are options for extensive diagnosis using advanced allergopaneli.

Bacteriological studies, which are the processes of isolation from the material, the further cultivation of various strains and the growth of microorganisms, are carried out with the aim of their subsequent identification and making a true diagnosis to the patient.

Magnetic resonance imaging

MRI machine Siemens Symphony

Magnetic resonance imaging is used to detect changes in the structure of bone and soft tissues of various parts of the body, this method of examination is more accurate x-ray. Depending on the indications, MRI of the spine, MRI of the joints, MRI of the abdominal cavity is performed. In some cases, to obtain a more accurate picture, for example, to diagnose a tumor, a patient is intravenously injected with a contrast agent that can be used even when examining children.

There are two methods of using a contrast drug: a single injection in a volume of 0.2 ml per 1 kg of weight and the bolus contrast used during the entire survey.

In the second type of administration, the rate and time of the substance supply is regulated, which allows differentiation of the phases to be contrasted. The use of a contrast agent is contraindicated in pregnant and lactating women, people allergic to the drugs of the group used, patients with renal or hepatic insufficiency.

Apparatus for examination are of two types: closed and open. The latter type allows for more accurate research.

Ultrasound procedure

Ultrasound examination (ultrasound) of various organs and systems is carried out to diagnose, verify the presence of pathological changes and their nature, to obtain objective data on the course of the disease for comparison over time.

Conducting ultrasound during pregnancy at different periods allows you to monitor the development of the baby, more accurately determine its age and size. Ultrasound of the pelvic organs is often performed by women to identify various diseases and abnormalities, based on the data obtained, the doctor can more accurately provide treatment recommendations.

Timely diagnosis will not only learn about the state of health, but also prevent the development of diseases, if they are found in the course of laboratory studies. Be healthy!

Why do I need a blood test

A blood test allows you to assess the overall condition of the body. It is prescribed for the purpose of diagnosing diseases, monitoring therapy and identifying a person's ability to donate. Blood tests are classified as follows:

  • General - shows the level of hemoglobin and the number of platelets, red blood cells, white blood cells, as well as the erythrocyte sedimentation rate (ESR). By decoding, you can identify negative changes in the body.
  • Biochemical - provides information on the quality of metabolic processes and the work of various organs (the laboratory assistant calculates the indicators of enzymes, cholesterol, proteins, bilirubin and other substances).
  • Serological - identifies bacteria and viruses.
  • Allergological - samples reveal individual intolerance to potentially hazardous substances.
  • Immunological - determines the state of the defense system and its ability to resist pathogens.
  • For hormones - analysis diagnoses various diseases.
  • On sugar - shows the level of glucose and diagnoses endocrine pathology.
  • On tumor markers - the study shows the presence of proteins characteristic of the tumor.
  • On clotting - ascertains the viscosity of the blood.
  • PCR - reliably diagnoses urological and gynecological infections.

In menstruation, it is undesirable to donate a biochemical and general analysis, blood for tumor markers and viscosity. In case of emergency, for example, when an emergency operation is needed, blood can be donated on any day of the cycle.

Why is it not advisable to give blood for menstruation during menstruation?

Menstruation is not a strict contraindication to tests. But answering the question whether it is possible to take a blood test for menstruation, we can say at once that the female body loses hemoglobin on critical days, and the ESR indicator at this time becomes elevated.

If the doctor does not know about the menstruation of the patient, he may interpret the answers of the tests incorrectly, perceiving the changes as a sign of an inflammatory process.

Также необходимо учитывать, что в критические дни результаты анализов могут быть ложными из-за свертывания крови (месячные ухудшают этот процесс, чем вводят в заблуждение специалиста). Against the menstruation tests, the fact that hemoglobin and red blood cell levels fluctuate significantly in the first days also speaks. Subsequently, their performance drops sharply.

The number of leukocytes in the blood gradually increases and by the end of the month becomes maximum. Leukocytes are responsible for the restoration of the endometrium after rejection. After menstruation, they accelerate the renewal of uterine tissues and prevent their infection.

The number of platelets in the blood before menstruation increases, but gradually normalizes as the discharge ends. Platelets are responsible for the timely arrest of bleeding and stimulate the formation of new blood vessels.

If a woman takes medications, medicinal substances during the menstruation period can affect the blood test results. Tip: Explain the situation to the doctor and, if possible, visit the laboratory later.

As for donating blood for the purpose of transfusion to other people, women donors are strictly forbidden to do this during the menstrual period. With natural blood loss, the body experiences stress and loses some of the beneficial hemoglobin.

Donation increases the problem and leads to the fact that the woman becomes ill, or there is a risk of severe bleeding. After menstruation, it is desirable to wait a few days, allowing the body to recover, and then you can donate blood.

Menstruation and blood test: when can I donate?

Experts answer the question when you can donate blood after menstruation, so: you must wait 3 to 5 days for all indicators to return to normal. On the 4-6 day you can be examined. While there are monthly periods, it is better to abstain from blood analysis. The reasons mentioned above.

Also, doctors give useful recommendations, compliance with which provides reliable information on the results of tests:

  1. Stop eating 12 hours before blood donation - qualitative analyzes are obtained on an empty stomach.
  2. Donate blood for analysis in the morning if the diagnosis is aimed at determining the level of hormones.
  3. If the monthly blood count is directed to hormones, take a referral on the 5th - 7th day of the cycle.

A blood test during menstruation days helps the specialist to determine the level of such hormones as:

  • FSH - follicle-stimulating hormone. Responsible for the work of the sex glands. A large amount of FSH is released at the beginning of the cycle - at this time the hormone is engaged in preparing the egg. During the period of ovulation, the level of FSH in the blood increases dramatically. On different days of the cycle, FSH helps diagnose infertility and the onset of menopause.
  • Prolactin is a lactation hormone that is produced independently of conception and breastfeeding. Its level changes constantly, even hourly. Therefore, blood for prolactin is recommended to donate at the same time, despite the fact that the days of the cycle may be different.
  • Estradiol - estrogen subspecies determines the state of the reproductive system. During the cycle, its level changes, reaching a peak with the onset of ovulation. Elevated estradiol can talk about pregnancy. The analysis also diagnoses diseases of the uterus and appendages.
  • Luteinizing hormone - enters the work in the 2nd half of the cycle, when ovulation is completed and FSH is reduced. The analysis is shown for menstrual irregularities and infertility.

A blood test by PCR can be done during menstruation. But with some infectious strains, the answers sometimes give false information.

Blood test on menstruation days: normal values

White blood corpuscles leukocytes have a normal number in the case when they fall within the range of 3.5 - 10 units. After the monthly excess of the norm of leukocytes indicates violations. On critical days, the results may be distorted. If there was no bleeding on the day of the visit to the laboratory, the doctor must find out if there are fungal or viral diseases.

Increased white blood cell count sometimes warns of such serious pathologies as:

  1. Colitis.
  2. Anemia.
  3. Depletion of the body.
  4. Renal failure.
  5. Diseases of the bone marrow.

Red blood cells of erythrocytes with menstruation should not be determined by blood analysis in indicators greater than 3.8 - 5.8. An excess of red blood cells indicates a malfunction of the cardiovascular system, dehydration or intoxication of the body.

The lack of red cells is identified by the laboratory with anemia. Normal hemoglobin levels range from 120 to 160 g / l. The significantly increased number of red blood cells should also be alarming, since there is a risk of developing leukemia or a suspicion of weak blood clotting is confirmed.

Patients who have taken a blood test for menstruation should also pay attention to the color index. Normal decoding is recognized when the value is 0.85 - 1.05. An overpriced result alludes to folic deficiency anemia or macrocytosis. Reduced levels of indicators signal a reduction in the number of red blood cells.

The hematocrit value is also important. Its rate is variable - 35–45%. Excess hematocrit equates to an increase in red blood cells. Reduction of red blood cells occurs during hemolysis (the bodies are destroyed, and hemoglobin is released into the environment) and repeated bleeding.

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