How does the level of hCG change during pregnancy twins?
According to the table, which indicates the rate of hCG, the level of the hormone in double is much higher. It is this factor in early terms (even before ultrasound) suggests that there is a multiple pregnancy in a woman.
If you look at the table, which indicates the level of hCG for weeks when pregnancy is twins, you can see the following pattern: the concentration of the hormone in this case is approximately 2 times higher than that observed in a normal, single-fetal pregnancy.
At the same time, it must be said that the data given in it are relative, since each pregnancy has its own peculiarities, especially if a woman has 2 fetuses or more.
What is the level of hCG seen in pregnancy twins after IVF?
Most often, the level of this hormone at conception by the method of IVF is slightly higher than in normal pregnancy. It is due to the fact that before the procedure, a woman undergoes a course of hormone therapy, which is necessary to ensure the preparation of the body for fertilization.
From the above it follows that the levels of hCG indicated in the usual table in pregnancy of twins as a result of IVF are irrelevant. Therefore, to determine the fact that a woman has a multiple pregnancy, simply comparing the results with the table is very difficult.
How does the level of hCG change when doubled?
As is known, the level of hCG during pregnancy varies by weeks, which also occurs when the twins are born, and confirm the data of the hormone concentrations in the table.
In order to make sure that the elevated level of the hormone is the result of a multiple pregnancy, the doctor prescribes several blood tests at short intervals - after 3-4 days. The obtained data are compared with tabulated values.
Thus, it is the change in the level of hCG that makes it possible at an early date, long before the ultrasound examination, to presume that the woman will soon become the mother of two children at once. This is the invaluable role of the study of blood on hormones.