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When to write for a pregnancy test. If you have an irregular menstrual cycle. How does a pregnancy test work?

When should you take a pregnancy test? It seems to be not very difficult - to use the subject for self-diagnosis of an interesting situation, but still very often girls make gross mistakes during the tests, which makes the result incorrect. Let's talk about the main rules to follow when determining pregnancy, as well as the mistakes that lead to incorrect results.

When to take a pregnancy test?

If we talk about the date, then it is best to do the test on the very first day of the delay in menstruation. It is this recommendation that manufacturers leave absolutely on all packages with tests. But most women do not want to wait such a long time after the alleged conception has occurred, and they take a pregnancy test already ten days after the onset of ovulation, that is, even before the onset of a delay.

When is the best time to take a pregnancy test?

If the procedure is done before the delay, incorrect or inaccurate results may be obtained. The second strip, which means the presence of hCG in female urine, may either not appear at all, or it will be barely noticeable, such that it will not be possible to make a correct conclusion. Therefore, women who cannot wait for the required period should be given one piece of advice - take a blood test for hCG levels. So he will show the exact result even before the delay. You are unlikely to receive a free referral, only if you are not registered with infertility, but you can also pass such an analysis for money.

When is the recommended time to take the test?

When is the best time to take a pregnancy test? It is recommended to do it in the morning, after you wake up, since at this time the concentration of hCG is maximum and sufficient for a second band to appear with a positive result. This applies to the earliest period of pregnancy. But if we talk about the second half of the first trimester, then the tests can be carried out at any time of the day. You will probably ask: why do we need a test for a long time, because the doctor himself will already be able to make the correct diagnosis during the examination, and the ultrasound will “see” the fetus? The thing is that in such an uncomplicated way in women they are trying to identify the threat of termination of pregnancy or missed pregnancy, which is completely wrong. If for a long time the test does not show two coveted strips, then it is most likely defective. Also, when deciding when to do a pregnancy test, it is worth considering the fact that it may turn out to be of poor quality. It turns out that only a doctor can be completely trusted.

When a pregnancy test is done, what are the reasons for an incorrect result?

  • Test taken too early;
  • carrying out the procedure at the wrong time of day;
  • poor quality test
  • conclusion based on the results earlier or later than the time specified in the instructions;
  • a woman has a disease that increases the level of hCG.

How to conduct a pregnancy test correctly?

Buy several tests from different firms;

Take your basal temperature in the morning before you get out of bed (if it is above 37 degrees, then you may be pregnant);

Take a blood test for hCG;

Visit a gynecologist (a pregnancy can be determined by a doctor with a delay of more than 2 weeks);

Get an ultrasound.

In the latter case, it will be possible not only to diagnose the presence of a fetal egg, but also to see where it is located. If there are all signs of pregnancy, but there is no embryo in the uterus, then this may indicate the development of the fetus outside of it, which is very dangerous for health. It is hard to argue with the fact that the tests are very convenient and affordable. The most important thing is to use them correctly and know the features of diagnosing pregnancy.

For the normal course of pregnancy, favorable growth and development of the fetus, certain hormones are necessary, which begin to be intensively produced after conception. In the early stages, they are produced mainly by the corpus luteum. In turn, the function of the corpus luteum to produce hormones stimulates and supports a special hormone - hCG (human chorionic gonadotropin). He also “slows down” the work of the ovaries so that ovulation no longer occurs throughout the entire period of bearing a child.

There are only a few days in each menstrual cycle when there is a chance of getting pregnant. If unprotected or insecurely protected sexual intercourse occurred during this ovulation period, then it makes sense to test no earlier than 10 days after PA (if you use an ultrasensitive test), and even more reliable - 14 or more days after it.

The fact is that hCG begins to be produced only from the moment of implantation of the ovum into the uterine cavity, which occurs no earlier than 5-7, and sometimes 10-12 days after intercourse. And on the first day after the egg is fixed in the uterus, the amount of hCG is still too small for the test to be able to identify it. This is possible only a few days after implantation.

When to do a pregnancy test with a sensitivity of 10, 15, 20, 25 mIU / ml: before the delay or after the delay

The minimum concentration of gonadotropin in the urine, which a pregnancy test can determine, is 10 mIU / ml. Such tests are called hypersensitive, and they can be carried out even before a missed period.

Tests with a sensitivity of 10 mIU / ml or 15 mIU / ml can show pregnancy already 10-12 days after ovulation (and in some cases even after 7 days from the moment of conception), that is, a few days before the expected start of menstruation. If the menstrual cycle is 28 days, then such a test is able to determine pregnancy already on the 22-24th day of the cycle.

The result of a tester with a sensitivity of 20-25 mIU / ml depends on which day it is used. The indicated concentration in the urine of hCG reaches only 2 weeks or more after conception, which approximately coincides in terms with the date when menstruation should have begun. Therefore, the results of such tests can be considered reliable only if they are carried out on the second, third or more day of the delay. If you want to get the most truthful result, then it is better to do a pregnancy test no earlier than on the 5th day of delay. Research results show that tests carried out on the first day of delay show the presence of a real pregnancy in only 16% of cases, despite the encouraging promises of manufacturers.

All given figures and terms are rather conditional. In each individual case, the difference can be several days, and this is influenced by a large number of factors: the date of ovulation in any of the cycles can shift, a fertilized egg, due to various reasons, can get to the uterus longer than it usually happens, etc. These and other nuances can affect the rate of hCG production and, consequently, the time in which the level of the hormone in the urine reaches a level sufficient to be determined using a test. Physiological fluctuations in the cycle can occur in absolutely every woman, even if she always had a clear regular cycle before.

Modern tests declare the reliability of the results of about 99%. But numerous studies show that false results are much more common. The most common reason for this is too early diagnosis. Even a difference of one day plays a big role here, because the concentration of hCG after fixing the fetal egg in the uterus doubles every day, that is, it increases very rapidly.

In view of this, doctors recommend testing no earlier than on the first day of the delay, but for greater reliability - 2-3 days after the date of the expected start of menstruation. Moreover, no matter what result you get, it cannot be considered guaranteed true and it is always recommended to repeat the test at least one more time after 2-3 days.

When to take a pregnancy test if the cycle is irregular

With an irregular menstrual cycle, calculating when you can take a pregnancy test is quite difficult, if not impossible. Indeed, in this case, ovulation occurs every time in a different period, and if you do not track it in a special way (that is, you do not conduct tests intended for this and do not conduct diagnostic laboratory observation), then there is no point in doing a test before the delay, since it is not known with accuracy on which day the next period should begin. Most often, erroneous results are obtained by women with an irregular cycle.

Doctors recommend testing with an irregular menstrual cycle no earlier than 16-17 or more days after unprotected intercourse, using ultra-sensitive testers, or no earlier than 14 or more days after ovulation, taking the longest cycle as a guide. The fact is that even with a very long or short cycle, menstruation always occurs approximately two weeks after ovulation, that is, the lengthening or shortening of the cycle always occurs due to its first phase.

When to take a pregnancy test after ovulation: in the morning or in the evening, at any time of the day

It is believed that modern tests with a high sensitivity of 10 mIU / ml, which in particular include inkjet pregnancy tests, can be used at any time of the day. However, there are specific medical facts that cannot be argued with: the more concentrated the urine, the easier it is to detect hCG in it and, accordingly, determine pregnancy. Therefore, to increase the reliability of the results, it is better, nevertheless, to do a pregnancy test early in the morning immediately after waking up, or at least not urinate for 4 or more hours before the test. For the same purpose, it is recommended to exclude the use of diuretic drugs and the use of diuretic foods and drinks on the eve of the test.

When to take a pregnancy test - in the morning or in the evening - if the delay is already several days or weeks, it does not really matter, because at this time pregnancy will almost certainly be determined even by a test of low sensitivity.

When to do a pregnancy test with HB

Although this is very difficult, even the most impatient women can wait a few days of delay and take a pregnancy test or have already repeated it by this time. What if you don't have periods while breastfeeding? When to do a breastfeeding test and should it be done?

It is not at all necessary, but very often menstruation does not occur during lactation. Under such conditions, a woman can become pregnant and not even know about it (if conception takes place in a cycle in which menstruation was supposed to begin for the first time after childbirth, but this did not happen due to the onset of pregnancy). So that the surprise does not make itself felt already at 3-4 months of pregnancy, gynecologists advise doing a breastfeeding test every month - so to speak, for reinsurance.

When to do a pregnancy test after insemination and after an injection of hCG

Despite the fact that during insemination, conception occurs without sexual intercourse (active spermatozoa are planted directly into the woman's uterus during the period of ovulation), all subsequent processes for conception and implantation of the fetal egg occur similarly to natural fertilization. Therefore, a pregnancy test after insemination can be carried out already 18 days after the procedure - these terms are approximately the same as always. But blood for hCG can be donated earlier - after 14 days. In case of unsuccessful attempt, menstruation will begin 12 or more days after insemination.

If there was a stimulation of pregnancy, and the woman received hCG injections, then, of course, any test carried out after that would be positive. Therefore, in order to obtain a true result, it is recommended to do a pregnancy test after an hCG injection no earlier than after 15 days.

When to take a pregnancy test after IVF

All the same applies to artificial fertilization, followed by implantation of a fertilized egg in the uterine cavity. Usually, IVF is the lifeline for infertile couples, their last and strongest hope. And, of course, any woman who has experienced in vitro fertilization is passionate and eager to know when to take a pregnancy test after the embryo.

The processes of hCG production during IVF occur in exactly the same way as during natural conception. If the embryo takes root in the uterus, then it will immediately begin to produce hCG, and therefore, 2 weeks after the embryo transfer, you can already start doing tests. But to get a more reliable result, doctors advise donating blood for hCG in the clinic.

When to take a pregnancy test after an abortion

After an artificial termination of pregnancy, the level of all hormones that began to be actively produced with the onset of conception, including the level of hCG after an abortion, will remain elevated for some time until the hormonal background stabilizes and recovers.

If the question of when to do a pregnancy test after an abortion interests you for the reason that you want to make sure that there are no membranes left in the uterine cavity, then it is better not to rely on testing in this case. Only an intravaginal examination is able to determine the condition of a woman's genital tract and identify possible complications: better go to a gynecologist. But in general, 2 weeks after the abortion, hCG, as a rule, returns to normal, and the test should already be negative.

Especially for - Ekaterina Vlasenko

When to take a pregnancy test? It seems that this science is not too difficult - to use the subject of self-diagnosis of an interesting situation, but sometimes girls make annoying mistakes when conducting tests, which is why the result is incorrect. Let's look at the basic rules that must be followed when diagnosing pregnancy, and the main mistakes that lead to distorted results.

When to take a pregnancy test? If we are talking about the date, then it is best to wait until the first day of the missed period. It is this recommendation that is absolutely on all packages of pregnancy tests. But many women do not want to wait that long after a possible conception and start testing as early as 10 days after ovulation, that is, before the start of a missed period. And, accordingly, most of them get either incorrect or questionable results. The second line, indicating the presence of hCG (“pregnancy hormone”) in the urine of a woman, may not appear or appear barely noticeable, so that it will be impossible to interpret the result. Therefore, advice to those women who do not have the patience to wait for the right time for diagnosis: take a blood test for hCG. Here he just shows a reliable result already 10 days after a possible conception. A doctor is unlikely to give you a free referral, unless you are registered for infertility, but you can take this analysis for a fee. Always keep in mind a pregnancy test when it shows the correct result and do not worry ahead of time.

What time of day is best to take the test? It is recommended in the morning, after waking up, so that the concentration of chorionic gonadotropin is maximum, sufficient for a second strip to appear in case of a positive result. This is for early dates. And in the second half of the first trimester and later, a pregnancy test, when it is better to do it: in the morning, afternoon or evening - it does not matter. Ask: why do the test for such a long time, when the doctor can already make the correct diagnosis during a gynecological examination, and the fetus is already visible on the ultrasound? But the fact is that in such a simple way, women are trying to identify a possible threat of miscarriage or missed pregnancy, which is fundamentally wrong. If at a long gestation period the test suddenly becomes negative, it only means that it is not of high quality.

How many days after the delay, the test will show pregnancy (video):

Pregnancy test

When and how to do a pregnancy test.

2013-06-05T00:00:00

In conclusion, we list the reasons why the tests show incorrect results.

1. Too early diagnosis (earlier than the onset of delayed menstruation).

2. Doing the test outside of the morning hours as recommended.

3. Poor quality test strip (perhaps it was stored in violation of the temperature regime or expired).

4. Evaluation of the result earlier or later than the time specified in the instructions.

5. A woman has a disease, as a result of which the level of hCG rises.

This happens with some cancers, for example.

An approximate algorithm of actions for those who doubt the result.

1. Buy and make a couple of tests with higher sensitivity from other manufacturers.

2. Measure your basal temperature in the morning without getting up from your sweat. If it is above 37 degrees, most likely there is a pregnancy.

3. Take a blood test for hCG. In this case, the reliability of the result is not even discussed.

4. Go to an appointment with a gynecologist. The doctor will be able to set the gestational age (if any) if the delay lasts more than 2-3 weeks.

5. Make an ultrasound. Thus, it is possible to quite accurately not only diagnose the presence of a fetal egg, but also find out its location. If all the signs of an interesting situation are present, and the ultrasound does not show the embryo in the uterus, for all that, the delay has already begun, then it is likely that the embryo began to develop outside the uterus, and this is very dangerous.

Pregnancy tests are certainly convenient and affordable. Every woman who is sexually active should learn how to use them and know the features of diagnosing pregnancy.

Can a test show pregnancy if it is not?

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Thanks to the fact that at one time were invented tests for early detection of pregnancy , a woman can get a positive result long before the gynecologist confirms the happy news. You can be sure that you are pregnant already in the first weeks after conception. If you use the test correctly, you can get the most accurate result.

But for this you need to know exactly how to do the test, which one to buy, when to conduct it and when you can find out about pregnancy. All the features of express pregnancy diagnostics, as well as how to choose the best test, which ones are better to use in a certain period, and how to understand the result, are described in this article.

How does it work?

The mechanism of all pregnancy tests is the same: they determine whether a woman's urine contains human chorionic gonadotropin hormone(hcg) , which begins to be produced in the body after attachment in the uterus of the embryo. That is, during the test, the result appears when hCG appears in the urine of a woman after conception.

Positive result "two stripes" in the photo

Women are always interested in when the exact result of the test will show. It should be noted that the amount of hCG after conception increases every day, but immediately after fertilization, only specialists can determine that a woman has managed to become pregnant by conducting a special study of venous blood. In this way, you can get a positive result five days earlier than 2 strips show any of the tests. Sometimes in the first days after conception, the 2nd strip is barely visible - it depends on the level of sensitivity.

For most rapid tests, the sensitivity level starts at 25 mUI hCG. Sensitivity on some is indicated by 10 mUI hCG, but there is no evidence for this. According to many pharmacists, such sensitive tests are just a publicity stunt. Also, advertising moves can be considered that the express test allegedly has the highest probability of determining pregnancy even before the delay with an accuracy of 99%. Moreover, their price is quite high.

How to conduct?

When to do a pregnancy test, each woman determines for herself. But at the same time, it is important to know when you can take a pregnancy test so that it correctly shows the exact result. The answer to the question of when it is better to take a pregnancy test after conception depends on whether it is regular or not. menstrual cycle at a woman. The corresponding number of days is counted after ovulation , so it depends on when you need to do the test.

After a delay

If you need to determine if there is a pregnancy after a delay, then on which day to do the test, it does not matter, since from the first day of the delay you can diagnose the presence of hCG in the urine. In any case, test manufacturers, answering the question of how long it takes to do a pregnancy test, say exactly that. But in fact, experts say that pregnancy should be determined a week after the delay, that is, after the expected day of the onset of menstruation. At what delay the test determines pregnancy accurately, it also depends on the level of its sensitivity.

Until the delay

However, many women still rush to take a pregnancy test before the delay, choosing highly sensitive samples that have good reviews. However, it should be noted that even the most sensitive test before the delay may not always show the correct result. After all, it is important to correctly determine when testing can be done before the delay, so that even before the delay in menstruation, the reliability of the result is high.

For example, if a woman has a regular cycle and is 28 days, then if the procedure is done on the 23rd day of the cycle, even a sensitive jet will not determine pregnancy before the delay, since there will not be a sufficient level of hCG in the blood. Whether pregnancy will show before the delay on the 26th day of the cycle also depends on the day of fertilization and the duration of the cycle, etc.

With a regular menstrual cycle

It is with her that the reaction occurs when the pregnancy test shows. That is, when a pregnancy test shows a result, this is due to the fact that the hormone contained in the woman's urine reacts to the impregnation of the strip. As a result, a second strip quickly appears on the test.

Instruction

The test is easy to do: you need to take a clean container, collect some urine in it. The strip is lowered into the urine with the tip up to the mark indicated on it, and held for 10 seconds. It is necessary to lower the strip with the desired side. Evaluation of the result - for 1 to 10 minutes. Whether the second strip will show in the first minute depends on the level of hCG: the lower it is, the later the second strip appears.

What day does it show?

From the first day of delay.

pros

Inexpensive.

Minuses

It is not very convenient to use, it may be wrong, it will not show until the delay.

Modern strip tests

  • Evitest №1
  • FRAUTEST Express
  • Eve (can determine from 1 day delay)
  • secret
  • bbtest
  • Femitest Practice
  • Femitest Practic Ultra
  • Itest Plus

tablet test

Produced in a special box with two holes-windows.

Tablet (cassette) - Evitest Proof

Works like a strip test. Also included is a pipette, a container for collecting urine.

Instruction

The first step is to drip 4 drops of urine into the first window. After 1-10 min. in the second, 1 or 2 stripes appear.

What day does it show?

From the first day of delay.

Positive

Inexpensive, the result is easy to determine.

Negative

You need to do a lot of things to do.

Modern tablet tests

  • Evitest Proof
  • LadyTest-C
  • Frautest Expert
  • Sezam
  • clear blue
  • KnowNow Optima
  • Femitest Handy

Inkjet test

The name already defines the principle of action: you can make it by placing it under a stream of urine.

Inkjet test method - Frautest Exclusive

It is important that those who use Frautest instructions for use were followed exactly. Although the sensitivity frautesta and others of the same type are very high, Frautest Exclusive may show a negative result if it has been used incorrectly.

Instruction

It should be placed with a tip with a filter under a stream of urine or in a container with it for 10 seconds. After that, 1 or 2 strips appear in a special hole in 1-10 minutes.

Accuracy

Can determine hCG in the urine as early as 5 days before the delay. When asked if the test can not show pregnancy if conception has occurred, the answer is no. An inkjet test will show pregnancy before the delay, as well as in the first days of the delay.

Positive

Convenient application, accuracy.

Negative

The price of an inkjet pregnancy test is high.

Modern inkjet tests

  • Frautest Comfort
  • Evitest Perfect
  • Frautest Exclusive
  • Femitest Jet Ultra
  • clear blue
  • clear view
  • duet

Electronic test

It is also called a digital pregnancy test.

Electronic verification method - Clearblue

Reviews of experts indicate that this is the most modern express test.

Instruction

It is necessary to lower the test with the end with the filter into the urine, hold until it is saturated. You can evaluate in three minutes. If the result is positive, the word " pregnancy” or the “+” sign.

Accuracy

Shows pregnancy 4 days before the delay. Due to its high accuracy, it shows a 99% correct result 2 days before the date of menstruation.

Positive

If we evaluate the sensitivity of pregnancy tests, then it is the electronic one that is the test with the highest sensitivity. There is no need to ask what are the most sensitive electronic tests, as they all have high sensitivity.

Negative

The price of an electronic pregnancy test is very high. How much such a test costs depends on the manufacturer, but on average the cost is about 400 rubles.

Pregnancy test clear blue (the so-called "blue" test), despite the high cost, is very popular. If electronic clear blue, the instruction is observed, then the result will be as accurate as possible. However, this pregnancy test, the instructions for use of which indicates that the resulting inscription on Clea Blue disappears after a while, the woman will not be able to leave as the first evidence of pregnancy. Nevertheless, Clearblue is now popular.

Reusable Digital Tests

The latest invention usb plug test , which can be connected to a computer and see the result.

The kit includes 20 cartridges treated with a reagent that reacts to the presence of hCG in the urine. With the help of such a test, you can check whether conception has occurred 21 times.

Accuracy

Shows the result 4 days before the delay.

Positive

If you choose such a test, it can be used many times. Some tests can also check the gestational age. But the time of conception can be known with an accuracy of 92%.

Negative

Buying replacement cartridges is currently very difficult.

Negative pregnancy test

Relevant for many women is the question, can a test be negative during pregnancy? Whether an express test may not show pregnancy, patients often ask doctors.

Why the test does not show when pregnancy is delayed, may be due to the fact that a woman uses it too early . After all, some of the tests are not so sensitive.

In some cases, a woman who wants to get pregnant begins to check the "situation" too early, long before the expected period. For example, if you start testing on the 25th day of the cycle, then at this time, hCG in the blood does not yet reach the desired level. Even if a woman has a cycle of 25 days, when you can get pregnant depends on the day of ovulation, so if the value is negative, you should check the result after a while. Which test to choose, the woman decides. But it is important to consider that a negative value is also possible if it is used incorrectly.

Thus, the reasons for a negative test during pregnancy may be as follows:

  • Testing too early.
  • Violations in the body of a woman.
  • Incorrect application of the test.

False positive results

The appearance of two strips in the absence of pregnancy is possible:

  • During the first two months after childbirth.
  • With the development ovarian dysfunction .
  • When hormone-producing tumor .
  • If you are using a test that has expired.

Are the results reliable if you do testing during menstruation?

Another topical question is whether it is possible to do during monthly pregnancy testing? After all, sometimes menstruation continues in a woman even after conception, so such an analysis is very relevant.

Menstrual blood does not affect testing, so how much a pregnancy test shows the result does not depend on menstruation. Be sure that even if the procedure is done using blood-stained urine, the result will not be affected. And, therefore, during pregnancy, two bright stripes will appear.

Outcomes in ectopic pregnancy

If , the fertilized egg is attached outside the uterus. However, the body still produces hCG. But in this case, hCG grows slowly, and sometimes it is completely absent. That is, the usual rapid test for ectopic pregnancy shows 2 strips. In this case, the second strip may be barely noticeable, blurry, when compared with the one that appears during normal pregnancy. It is necessary to take into account, when making a pregnancy test, on which day it will show the result in case of an ectopic pregnancy: the second strip appears only after the delay has occurred. What day the pregnancy test will show depends on the day of conception and the individual characteristics of the female body.

There is a special test Inexscreen , which a few weeks after the delay makes it possible to suspect that the pregnancy is ectopic. Its action is based on the determination of the modified isoform that is part of hCG. In the case of an ectopic pregnancy, this figure is much higher than the 10% that occurs during a normal pregnancy.

Results with a frozen pregnancy

positive or negative when missed pregnancy the result of testing depends on the time when it was carried out. So, if two clear stripes initially appeared, later, after a few days, one strip became fuzzy, and after a few days one strip completely disappeared, you can suspect that the pregnancy has died. In this case, it is important to immediately visit a specialist who will determine how to check the result in this situation.

Whether a gynecologist can determine pregnancy before a delay in this case depends on the research methods.

What to do next if the result is doubtful?

Regardless of which day of the cycle to take the test, it can be doubtful in the end. This is often evidenced by the reviews that women write to each thematic forum.

Doubts arise if it is not clear how many strips appeared. Sometimes the second strip is not visible well, it is somehow blurry, fuzzy. This happens in the following cases:

  • A low level of hCG in the body associated with a woman's health problems.
  • A test that is no longer suitable for use (it may not work due to an expired expiration date, damage).
  • The desire to see exactly two stripes (“I’m afraid that I’m not pregnant”). Often a woman notes indirect signs - nausea, weight loss - and assures herself that she is pregnant.

What is the probability that a woman is pregnant can only be confirmed. Can a blood test for hCG be wrong - in this case, the answer is no.

But you can still repeat the testing, after a 2-3-day break - do it, for example, on the 31st day of the cycle, if menstruation usually begins on the 28th day. The second or third attempt will be successful.

Which tests "cheat" most often?

No matter how manufacturers assure that their products are almost 100% effective, some tests that we do still show unreliable results.

According to the observations of many women, the most common false negative and positive results show such tests:

  • Faith test (its sensitivity is 25 mIU/ml);
  • Bebichek
  • Mon Ami
  • bee sure
  • rest assured

conclusions

What to do if a woman already has a positive test before her eyes depends only on her. Many future mothers, even those for whom pregnancy is long-awaited and planned, do not know, seeing two stripes, what to do next. In fact, you need to calm down and rejoice. Regardless of which week the pregnancy test you choose shows, there is still a lot of time ahead. Now it is important not to be nervous, to practice a healthy diet and the right lifestyle. And also - visit a doctor to confirm the good news and get important recommendations.

Every woman who cares about personal health and the health of future children should know what it is.

Such a test helps to determine whether conception has occurred.

There are several types of tests: strip, flatbed, inkjet, electronic.

Outwardly, these types differ, but the action of each is based on a reaction to one hormone ─.

It is he who begins to be produced in the body from the day of conception and is excreted in the urine. The hormone does not accumulate immediately, so the test does not respond to its low level.

When is the best time to do it?

Often the instructions say that already on the seventh day from conception, which occurred in the middle of the cycle, you can get the result. But the above hormone during such a time does not always have time to accumulate in the right amount.

If the cycle irregular(every month there are a different number of days between periods), other rules should be followed.

In this case must be taken into account when sexual intercourse occurred, which caused a possible conception. If two weeks have already passed, the test may respond to the presence of pregnancy.

It is worth resorting to the test even in the case when the minimum number of days for the cycle has already passed, and at the same time other signs of pregnancy appear.

Do a test before delay only makes sense when the menstrual cycle is irregular. In all other cases, it may be useless.

but should not be trusted 99% accuracy of most tests, although such information can often be found on the packaging.

If at negative test menstruation still does not appear, you need to wait a few days and repeat the procedure.

The first negative result in this case is not a guarantee that there is no pregnancy.

Until there is an exact result, it is better to stop drinking alcohol, smoking and other harmful effects on the body (this can damage an already born fetus).

If the result positive, but the line did not appear clearly, the probability of pregnancy is very high. After a couple of days, you need to take another test, during which time the hormone will have time to accumulate, and the result will be more distinct.

When assumptions about pregnancy are confirmed, the first thing to do is go to the doctor.

This will help determine at an early stage. In addition, the expectant mother, registering from the very beginning, will be able to avoid many problems with her health and the health of the baby.

If menstruation does not start, and the test is once again negative, you should also consult a doctor who will help determine the causes of the failure of the menstrual cycle.

When to take a pregnancy test: in the morning or in the evening?

As already mentioned, the test determines the level of a special hormone in the urine. This hormone is secreted directly by the fetus.

Since a person does not eat at night, does not consume liquid, urine becomes the most concentrated. The level of a specific hormone in this case reaches its maximum value.

That is why a pregnancy test better to use in the morning but not in the evening.

For the best result, you need to use new, just bought tests. However, when buying should check the timing validity. Do not neglect the instructions, since each test has its own characteristics that should be taken into account.

Thus, the time of the test should be set depending on the regularity of the menstrual cycle. If it is regular, then the procedure should be carried out during the expected menstruation and later, but not earlier.

The test is done in the morning, which allows you to achieve the best result. In the absence of menstruation and any test result, go to the doctor.