Preparation rules and characteristics of the analysis for


The ornate interpretation of the abbreviation HCG - human chorionic gonadotropin - only seemingly so mysterious. In fact, it is nothing but a hormone. It is produced in the body of a pregnant woman, and its level is actively growing up to almost 3 months.

In essence, human gonadotropin is responsible for the successful development of life originated in the first trimester. It controls the production of progesterone and estrogen hormones, supports the work and activity of the corpus luteum.

How does HCG analysis

It is thanks to hCG, or rather its increased content in the urine, that the pregnancy test shows the cherished 2 strips. And if the rate is not exceeded, the cherished one, not always because pregnancy is desired.

To learn more

The level of concentration of hCG in the urine allows you to establish only the fact of pregnancy. But to determine the period, see the dynamics of fetal development, deviations, to track other indicators can only be donated blood for hCG.

With proper pregnancy, in the first weeks the concentration of the hormone increases exponentially. The highest level of hCG is observed in the second half of the first trimester. Then, the indicators gradually decrease.

If you can’t wait to find out about your “interesting” position, but the term is extremely small, laboratory analysis of hCG will clarify the situation.

Further, in the antenatal clinic, when registering, the doctor recommends perinatal screening. The first time is for a period of 11-14 weeks (the so-called double test), the second time from 16 to 20 weeks (triple test).

Elevated levels of hCG in the blood can talk about:

  • incorrectly set term of pregnancy (it is undervalued)
  • that the fetus is not one (twins, triplets)
  • hidden diabetes mom
  • various pathologies of the fetus

Low levels of hCG are observed with:

Lower hCG levels observed

  • missed abortion
  • threatened miscarriage
  • placental insufficiency
  • ectopic pregnancy

Analysis of chorionic gonadotropin can be prescribed to men and non-pregnant women to identify some serious diseases.

How to prepare?

It should be noted that in different clinical laboratories indicators of the norm of hCG may vary. Therefore, when re-passing the test in a few days, you should not change the laboratory.

The test is a common blood sample from a vein. The only condition for delivery is to do it on an empty stomach.

Of course, a blood test for chorionic gonadotropin is an extremely useful thing. It helps women in the early stages to satisfy their curiosity. This test allows doctors to identify hidden symptoms of disease, prescribe treatment in time and take measures, thus saving the most valuable thing - human life.