Blood test for hCG to determine pregnancy: when you can pass what day the pregnancy will show, the norm by week

If you were assigned to do a blood test for hCG, feel free to hand it over. Why is it needed and what the results will be, read in the article.

Contents

Hormone HCG It regulates a number of hormonal processes that occur in a woman’s body in a state of pregnancy. Thereby, HCG - human chorionic gonadotropin- Still nicknamed "Hormone pregnancy".

Read another on our site an article that describes information about hCG in the urine during pregnancy. You will find out when this analysis is prescribed, what is its norm, concentration on DPO and a lot of other useful information.

From the foregoing it may seem that the determination of the level of hCG is relevant only for pregnant women, but this is not so. The need to pass such a blood test arises not only for women who bear the baby, but often this analysis becomes necessary for non -pregnant women, as well as for men. Below you will find useful information about this hormone - its role in the body, how to take an analysis correctly and how to interpret the results. Read further.

HCG: role in the body and the essence of the analysis

Syntiototropoblast is an epithelial coating of highly superfluous embryonic villi of the placenta that produces human chorionic gonadotropin, which is of the most important meaning for stimulating the process of development of the placenta. Here is its role in the body and the essence of the analysis:

HCG consists of two types of units: α (alpha) and β (beta)
α-unit similar to luteinizing and thyreotropic mountains
β-unit It has uniqueness for hCG, which means it is its level and will become important in values \u200b\u200bfor laboratory analysis. After the Oplodov. eggs (approximately the sixth-eight day), β-do it is possible to find in blood plasma, and on the contrary - through 7 days. Already after delivery, hCG, both in blood and in the urine, will not be able to find.

It should be borne in mind that the production of chorionic gonadotropin of a person is quite likely in the presence of cancer in the human body. And from this it follows that using analyzing for hCG, it is possible to diagnose oncological diseases.

Hormone hCG has the following main functions:

At the very beginning, we take it, he is responsible for accelerating the process of developing estrogen and progesterone, while responsible for the preservation of the yellow body.
Performs the stimulation of the correct operation of the adrenal glands and the sex glands in the embryo.
The lady is preparing for the recognition and acceptance of the embryo by influencing the immune system.
Is responsible for the stimulation of Leydig cells, which are important for the production of the main male sexual mountain-testosterone in the male intrauterine fruit.

Most often, an increase in HCG values \u200b\u200bindicates the presence of a woman in a woman. However, the excessively high growth of its concentration can also be a sign of the development of the SAH. Diabetes in the patient, fetal abnormalities and even be a sign of cancer. Exploring the indicators of the values \u200b\u200bof the hCG, you can simply and quickly identify the flow of ectopic take. The available tumor serious pathologies in men, such as, for example, seminoma or egg teratoma, also provoke increased indicators of hCG levels.

It is worth remembering: Thanks to the analysis of blood for HCG, already on the first or second day after the fertile (DPO), it is possible to detect the presence of, which cannot be said about the strip test.

Although the principle of action in these types of tests is the same, the increase in hCG in the urine occurs more slowly. Therefore, it will become possible to identify the adoption with the help of a dough-strip no earlier than seven days after conception, in contrast to the determination by blood.

Types of tests for hCG: general, free

Research on Human chorionic gonadotropin There are two types - this is a definition:

General hCh
Free β-HCH

When can I take an analysis for hCG to determine pregnancy?

To take an analysis for hCG to determine pregnancy is assigned according to indications

Pregnant women when contacting a gynecologist with a delay in menstruation, hCG is often prescribed. When can you take it to determine pregnancy? The reason for the study for patients can be the following cases:

It is necessary to diagnose the existence of a take at its early stage.
If, with the already confirmed, we take monitoring the development of the embryo in order to prevent it from interruption in case of such a threat.
There is an assumption about the presence of pathologies, for example, an ectopic take.
In the event that a medical abortion was performed to exclude the possible presence of the remains of the shells of the fetus and the embryo itself.

On what day is such an analysis. Read further.

On what day will the hCG show pregnancy?

In order to identify possible, take it, you can take a biological fluid to the level of hCG values \u200b\u200bon the second or fifth day after the delay occurs. The degree of hormone values \u200b\u200bby that time will already be large. On the twelfth and thirteent day after the conception has come, it will be equal 100 honey/ml, and sometimes higher.

Hormone hCG in the blood, urine during pregnancy - the norm for weeks, days from conception: a table with a decoding

The following decryption tables contain the average limits of the values \u200b\u200bof the HG man, depending on the week, take it, given that the level of concentration of the HG-man in the urine in the urine 1.5-2 times lowerThan in the blood. Thus, normally, the values \u200b\u200bof the HG-man will be approximately the following-by weeks (the days can be calculated independently) from conception:

In the urine:

In the blood serum by weeks:

High hCG, higher than norms in non -pregnant women, men: Reasons

The indicators of this hormone can be high, both that of ladies that bear the baby, and in girls and women who do not take, as well as in men. Among the main causes of an excessively high level of HCG values, the following should be indicated:

In men - The presence of oncological diseases in the body.
The non -party. women - The presence of oncology. Including the values \u200b\u200bof the hormone can be increased, for example, due to the use of various hCG-containing drugs, or in the first four to five days. After the medical medical. abortion, if one took place.
In patients in the period, take -The presence of multiple, take it, sah. Diabetes, early toxicosis, gestosis, prolonged take, chromosomon. Fruit anomalies, the use of tablets that make up for the content of progesterone in the body.

In any case, the doctor should find the reason. Men and women will have to undergo a full examination, and pregnant women will find the reason for a gynecologist, in whom you are registered with conducting the management.

How does hCG grow with frozen, ectopic pregnancy, after miscarriage?

If there were problems with pregnancy, then the level of this hormone can be seen. How does hCG grow with frozen, ectopic pregnancy, after miscarriage? Read more:

The level of hCG values \u200b\u200bwith frozen take Either does not increase, or drops sharply. The speed of such a decline is usually individual for each individual patient. In this case, low hCG is the result of the death of the fetus inside the womb.
With an ectopic, take it The hormone level is insufficient for the normal process of bearing the fetus. It does not correspond to reference values, slowly increases, and with the second or third of the week, it stops growing. As a rule, in such cases, the patient is prescribed transvaginal ultrasound for diagnostic purposes.
With a miscarriage, the level of hCG is minimal. Its decrease in a woman begins from the moment of the threat of miscarriage and continues until spontaneous abortion occurs.

In just five to seven days, the level of hormone in the blood returns to the same indicators that are observed in non-pregnant women.

HCG with double, with multiple pregnancy: how does it grow?

In the presence of twins or multiple, take, hCG is much higher than with a simple one. The level continues to increase to 11th week, and to 20th week Suitable for the mark 3000 Med/ml.After that, the concentration of hCG decreases, and the turning point occurs on average approximately at the 16th week.

How the hormone level grows, look in the table below. It also shows the numbers to compare the hormone standards during the bucket of twins and one baby.

Low hCG during pregnancy in the early stages: why slow growth?

The reasons for the too slow growth in the indicators of the Hag-man in the early stages are taking a danger can be a danger to both a woman and her crumbs. In such cases, it is extremely important to seek advice to a competent specialist.

Among the causes of the low level of the hormone when the fetal is bored with a woman, there may be the following factors:

The presence of undeveloped take it
Risk of miscarriage
Ectopic or frozen take
We take overshooting
Fetoplacental failure in chronic form
Intrauterine death of the fetus

Low hCG is also possible in cases where fertilization took place, but the body began to rejection of the fetus, considering it unusual. Usually this can happen before the delay in menstruation.

Can an analysis for hCG be erroneous, negative during pregnancy: the reasons when the pregnancy will show?

Conducting blood analyzing for a HG man is a reliable and correct method for diagnosing. Can an analysis for hCG be erroneous, negative during pregnancy? As in any other type of study, it is not necessary to exclude the occurrence of various erroneous result and inaccuracies. The causes of erroneous results are most often the human factor. Besides:

Patients who have problems with reproductive function and take any drugs for a long time for a long time, it is necessary to report this to their doctor, without fail, before the study.
The concealment of such information can lead to a distortion of the results.
False positive results in the statistics of everything in 2% of cases. This occurs with the existence of a malfunction in a hormonal background or cancer diseases.
The result of the test is often the result of an ectopic undertaking, take a take or late ovulation, as well as due to a poor-quality collection of analysis or reagents.

Erroneous indicators of the HG man can be at an early date (even before the delay of menstruation) or if there is a delay of not more than two weeks. This often happens because patients have individual menstrual cycles, and ovulation can occur, for example, on the 18-19th day of the cycle, not on the 13-14th.

However, when the delay is already more than fifteen days, analyzing the HG man is extremely rare, because laboratory tests are accurate. In a woman’s biological fluids, the hormone level shows pregnancy after the first week from conception, while test strips are insensitive during this period, and using them, a woman may think that we take no.

Where can I submit an analysis for hCG?

Analysis for hCG can be handed over in any clinic

Research on HG man is now possible to conduct in any clinics and laboratories, both in private and in state ones. Therefore, to pass a biological fluid for this type of analysis is not a problem.

Patients themselves choose for themselves the most suitable and convenient institution for passing the analysis, depending on their preferences, degree of employment and financial situation.

How to donate blood on hCG: on an empty stomach or not?

To obtain the most reliable result of the analysis, it is strongly recommended to prepare for it correctly. How to donate blood on hCG - on an empty stomach or not?

8: 00-10: 00 hour. morning - The optimal time for blood donation, because After sleep, the amount of hCG in the blood is as much as possible.
Only venous blood is performed.

Although there is a requirement to take an analysis exclusively on an empty stomach, it is not forbidden to drink water. In the end, this will not affect the hazard.

How much does a blood test for hCG cost?

On average, in private clinics and other paid laboratories in Russia, the price of blood test for hCG is about 500 rubles.

If you want to save money, some women also turn to state institutions. After all, there is an opportunity to pass such an analysis for free. But in this case, women need to be prepared for large queues and for a certain duration of the study.

An indisputable advantage of private laboratories and clinics is the quality of service: personnel attitude to visitors, operational terms and convenient ways to get results.

How long is the HCG analysis?

HCH analysis is performed in each laboratory in different ways

It is worth noting that in many laboratories from the beginning of the analysis to the issuance of results and approximately 3-4 hours. But it is worth noting that most express laboratories are ready to give out the result in an hour, while intermediary laboratories who do not have their staff can do tests for HCG for several days. In the latter case, such a duration of execution is explained by the fact that test tubes with analyzes are sent to the laboratory of another city.

The definition and decoding of hCG are the most important factors and indicators for diagnosis. From the above, it becomes clear that there are states in which the level of HCG values \u200b\u200bcan be either very overstated or significantly underestimated.

Remember: After obtaining the results of the HCG analysis, their decryption must be carried out exclusively in dynamics, due to the fact that for each patient the values \u200b\u200bof this hormone change in their own way. It is impossible to assess the situation as a whole by only one analysis. It is also important that the analysis and its decoding are carried out by a competent specialist with high qualifications.

In conclusion, we can say that the importance of this analysis occupies a significant place among others and is not in doubt. Analysis for determining the level of hCG can be relevant for completely different categories of patients - from women who are in position and awaiting the baby, and ending with non -pregnant girls and even men. Such an analysis allows not only to determine the possible pregnancy and various fetal pathologies, but also to identify the development of a number of diseases in time, including oncological ones. Timely detection of possible problems in the body at times facilitates the work of doctors, increases the chances of an early deliverance of a person from them. Good luck!

Video: What is hCG in gynecology, during pregnancy - decryption. What is a hCG blood test in women?

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