HCG for weeks of pregnancy: table, features of the hormone level at different terms

In suspected of an interesting position of a woman, there are many analyzes. All this is necessary to confirm the new status and understand how gestration passes. Information is a huge amount, including future mommies, you need to familiarize yourself with HCG for weeks of pregnancy. What is it and why we need, let's talk later.

What is hgch?

Horionic gonadotropin stimulates the development of the placenta after the fertilized egg attaches to the wall of the uterus, and it is responsible for the safety of the yellow body (iron that occurs during ovulation) and at the first weeks of pregnancy stimulates the production of such important hormones, as Estrogen and progesterone.

Different laboratories use various designations of the indicator of HCG - MME / ml, honey / ml, MIU / ML, ng / ml. It is not necessary to translate some units to others - they are equal to each other.

What are blood tests for hCG?

First of all, blood test for hCG is giving up in order to diagnose pregnancy early. The maximum concentration of the hormone is contained in the blood plasma, so such an analysis can determine whether a woman is pregnant or not, already for the sixth day after conception. In addition, comparing the level of hCG on weeks to wear, the doctor may see if there is no deviations in the development of the child.

The maximum level in the blood fluid is achieved by 7 weeks. The content in the urine is below. On the 6-7th day of the absence of monthly bloody discharge, a woman can determine pregnancy using a test strip sensitive to hCG.

Depending on the level of hCG, it is possible to judge the development of pregnancy, possible pathologies in the body of the future mother and fetus. The appearance of a hormone in women in the absence of pregnancy, as well as men testifies to the oncology of the genital organs.

Why do I need hgch?

HCHG content is determined in the study of blood and urine, the analysis of which is carried out for rapid and accurate diagnosis of pregnancy. Chorion begins to produce gonadotropin for 4-5 days from the moment of fertilization, reaching a peak by the 6-11 week, and then drops down. Repeated turn occurs on a period of 34-37 weeks.

After the monthly delay (approximately 6-7 days from the date of the proposed menstruation), you can determine the presence of pregnancy with the test. For this, the strip is placed 2-3 minutes in the morning portion of urine (immediately after awakening the content of hCG is most high).

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What is hgch during pregnancy

The composition of chorionic gonadotropin includes more than 200 amino acids. The basis of the hCG is dual, it consists of alpha and beta particles (subunits). Beta components are an unconditional sign of fertilization, that is, coming pregnancy. HCG stops menstrual cycle, prevents bleeding, it is necessary for the normal course of pregnancy, the correct formation and development of the future kid.

how the level of hgch is determined during pregnancy

The HCG level in women is measured in IM / L or in MME / ml, the numeric values ​​of both measurement systems are the same. In healthy non-embled women, the chorionic gonadotropin is usually zero, in any case should not be above 5 months / l.

HGG during pregnancy in the early time begins to change immediately, its active development begins almost from the moment of conception. It is believed that after a week, the hormone is already diagnosed in venous blood, and in two - in the urine. It was on the growth of the level of hCG at the occurrence of pregnancy built pharmacy express tests - strips.

Some, especially passionately wishing to become a mother, run to take an analysis on hCG almost at the first seeming signs of pregnancy, while others quietly enjoy life and are waiting for the appointments of the doctor.

What is hCG - decoding

And immediately begins the restructuring of the entire hormonal system: HCG gives a yellow body signal to produce a large amount of progesterone, hormone supporting pregnancy and not allowing menstruation.

Under the action of hCG during pregnancy, the yellow body does not die after 2 weeks, as it should be in the usual menstrual cycle, but continues to work up to 12 weeks until its role takes on the placenta.

• prevent the loss of a yellow body and to activate the formation of estrogen and progesterone at the beginning of the embryo development;
• activate adrenal glands and fetal glands;
• prepare Women's body for embryo adoption;
• Enhance the formation of testosterone in the body of the male fetus.
The volume of the hormone in the blood plasma does not allow to identify the exact duration of pregnancy. Orma, during pregnancy, HCG on weeks of pregnancy from conception is determined after the formation of the zygota by studying blood. A value from 5 to 25 units does not allow you to accurately establish the presence of an embryo and requires an additional fence of the material in a few days. Full-time diagnosis of pregnancy is permissible when surrendering blood after 10 to 11 days after fertilization or by the analysis of urine 14 days from conception. The plasma study allows you to get a more reliable result, since the level of hCG in it is much higher. Rest of the prosperous development of the embryo, the hormone indicators are doubled every couple of days. From the second half of the first trimester to increase the values ​​of the HCG, it may be necessary 2 times longer than time. Empty third of pregnancy The volume of hCG is smoothly reduced and acquires stable values ​​before the delivery. Orma HCG is calculated in international units per 1 ml of polar blood. Natives below 5 honey / ml indicate the absence of a fertilized egg, with the values ​​of over 25 units, the specialist records the conception and development of the embryo. If the result of blood testing on hCG shows values ​​in the range of 1000 - 2000 units, transvaginal ultrasound diagnostics should show the presence of a fetal bag. With the indicators of less than 2000 honey / ml, diagnose the normal development of the fetus can only be carried out during several studies. The result of the ultrasound cannot be considered reliable. The results of HCG cannot serve to determine the exact deadline for the development of the fetus, since its indicators may vary depending on the course of pregnancy and the individual characteristics of the body of a woman. Aki's deviations and their causes of hCG in urine and blood, having deviations from the norm, indicates the possibility of disadvantaged outcome. The resistance increase in the amount of hormone can report a multiple pregnancy, as well as about:
• toxicosis;
• pathologies of the fetus;
• problems with a female organism, for example, gestosis;
• exceeding the course of pregnancy;
• anomalies of the endocrine system.
Also, chorionic gonadotropin can be pathologically increased after eco or when taking histogenic medicines. Discovery of abnormal values ​​The specialist has the right to assign additional manipulations, including ultrasound diagnostics. Opt hormone indicators, most often, is a consequence of the erroneous determination of the duration of pregnancy. A trembling reduction in the level of hCG may occur during ectopic pregnancy, as well as at:
• high risk of spontaneous interruption of pregnancy;
• fetal death inside the womb;
• acute uterine-placental failure .

Modern medicine allows you to accurately determine the presence of a developing fetus. The study of blood composition on the "hormone of pregnant" provides an opportunity to calculate the level of hCG on weeks of pregnancy, diagnose hidden anomalies and to determine the threat of miscarriage.

What is hgch

Horone's chorionic gonadotropin - a hormone formed from a physically healthy person exclusively during the growth and development of the fetus. The fertilized egg and fabric of the placenta is responsible for his education. Before conception, it is not possible to identify the considered hormone.

Gonadotropic hormone includes beta and alpha units. To diagnose pregnancy, the first is revealed, since they are produced in the formation of an embryo. Beta units are formed in the body after 6 days after fertilization of the egg, after delivery, they are output from the body in a few days.

Norm for pregnancy

During the tooling of the baby in the female body, there are many changes. They affect hormonal background. The chorionic gonadotropin, the HCG - a biological connection, which allows to determine the fact of pregnancy itself on a small term.

hormone hCG - what is it?

Horionic gonadotropin of man (HCG) is a hormonal substance that is synthesized by the component of the fertilized egg - syncytotrophoblast. This substance after implantation of the fertilized female genital cell begins to stimulate the process of forming the placenta. In its composition, hCG contains two subunits: alpha and beta.

Alf-unit according to its properties is identical to thyrotropic and luteinizing hormones. Beta unit is unique. Its concentration directly has a large diagnostic value during pregnancy. In the blood plasma, it appears to 6-8 days of tooling the baby. A week after the birth of the baby hCG in the urine and blood is no longer detected.

HCG - analysis

Determination of human chorionic gonadotropin is possible with the help of laboratory studies of urine and blood. In most cases, the analysis is assigned to determine the fact of pregnancy and determining the features of its flow. Changing the concentration of hCG occurs with an increase in the period of gestation. At the same time, for each week is characterized by its norm. The inconsistency of the indicators is a sign of the pathological process.

HCG - blood test

HCG in the blood is determined mainly in the early pregnancy. In this case, two different studies can be carried out: the definition of the total hCG and free hCG. The definition of the total hCG helps to diagnose pregnancy on a very small period when the test is not able to show the result. In the absence of pathologies, during the first 14 days, the concentration of HCG doubles every 3 days. Maximum is achieved by the 10-11th week of gestation. After this period, there is a gradual decrease in the concentration of HCG.

2 trimester Common hCG can be determined as part of a prenatal screening - a triple test. The level of free B-hCG is determined during the diagnosis of trophoblastic neoplasms. It helps to determine such pathology of pregnancy as bubble skid and choriocarcinoma. The study is mandatory in composure of 1 and 2 trimesters of pregnancy. With it, it is possible to determine the risk of chromosomal anomalies from the fetus - Down syndromes and Edwards. How the HCG changes during pregnancy, the norm for weeks, the table of normal values ​​is shown below.

HCG - urine analysis

The level of hCG in the allocated urine is determined only in order to establish the fact of gestation. Accuracy of this study reaches 98%. For diagnostics, the morning portion of urine is used, since the concentration of hCG in it is maximum. At the same time take the last portion of Urin. After collecting the sample immediately direct to the laboratory. In addition to pregnancy, urine analysis on hCG can begin with diseases of the reproductive system: