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How to calculate the expected date of IVF

How to calculate the expected date of IVF



Calculation method of test tube baby's due date

The calculation method of test tube baby's due date can be comprehensively calculated according to the treatment process of pregnant women, the time of embryo transfer and the last menstrual time of pregnant women. The following will elaborate on the calculation method of IVF's due date from four aspects: treatment process, embryo transfer time, menstruation time and other factors.

1. Treatment process

IVF is achieved through in vitro fertilization, embryo transfer and other medical technologies. After ovulation induction treatment, the successfully fertilized embryos are transferred into the mother's uterus. Generally speaking, the serum HCG of early pregnant women can be detected quantitatively within 12-14 days after the transfer of fertilized eggs. The pregnancy can be judged by detecting the change of HCG level. If the pregnancy is successful, the weeks of pregnancy and the expected date of delivery can also be predicted according to the change of serum HCG level.

2. Gestational embryo transfer time

The time of embryo transfer is one of the important factors in the calculation of the expected delivery date of IVF. Usually, embryo transfer will be carried out when the fertilized egg develops to the 3-5 or 5-6 days. The time of embryo transfer can be selected according to the development of embryo, the condition of maternal endometrium and the doctor's advice. Generally speaking, the pre delivery date after fresh embryo transfer is slightly earlier than that after frozen embryo transfer.

3. Menstrual time

The time of the last menstruation of the pregnant woman is also one of the reference bases for the calculation of the expected delivery date of the test tube baby. Generally, the first day of the last menstrual period is taken as the starting point for the calculation of the pregnancy period, and the expected date of delivery is calculated according to the time of fertilized egg transfer of the pregnant woman. If the menstrual cycle of pregnant women is regular, it will be relatively simple to calculate the expected date of delivery. However, if the menstrual cycle of pregnant women is irregular, there may be some errors in calculating the expected date of delivery.

4. Other factors

In addition to the factors mentioned above, there are other factors that will also affect the calculation of the expected delivery date of IVF. This includes the personal differences of pregnant women, the development of embryos, the quality of embryos, and the health status of pregnant women. Therefore, when calculating the expected delivery date of test tube babies, it is necessary to comprehensively consider the above factors in order to obtain a more accurate expected delivery date.

summary

The calculation method of the test tube baby's due date mainly includes the treatment process, the time of embryo transfer, the time of menstruation and other factors. During IVF treatment, according to the time of fertilized egg transfer, menstrual period and doctor's advice, combined with serum HCG detection and other methods, the expected date of IVF can be calculated more accurately. However, due to individual differences and other factors, there may still be some errors in the calculation of the expected date. Therefore, during IVF treatment, pregnant women and doctors need to cooperate closely and communicate in a timely manner to ensure the health and safety of the baby.
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