How much hcg value can be used to see the gestational sac

When it comes to HCG testing, most women who have been pregnant or families with children may know that the level of HCG value can best reflect the health status of the pregnant woman, and also reflects the growth and development of the fetus. So, what is the HCG value required to see the gestational sac? What is the size of the gestational sac at 40 days of pregnancy? Let us study and train together.

How much hcg is needed to see the fetal sac?

HCG is human chorionic gonadotropin, which is a reliable data for measuring the development of the baby and one of the three important hormones to maintain the development of the baby. HCG data can be used to see whether the baby is ectopic and whether the growth and development is normal. The gestational sac can be seen in the test tube embryo when it is 40 days old. At 40 days, which is 5 to 6 weeks, the HCG value is between 1800 and 3500, which is also within the normal range of gestational sac development.

40 days of pregnancy

1. The 40th day of pregnancy is about the 6th to 7th week of pregnancy. In the 6th week, the fetus grows to 0.85 cm, the head, brain alveoli, frontal organs, respiratory, digestive, nerve and other organs of the fetus are divided, the gestational sac is clearly visible on B-ultrasound, and the fetal bud, fetal heart rate and fetal heart rate are seen. In the 7th week, the fetus grows to 1.33 cm, the embryo has a human prototype, the body segments have been completely divided, the limbs have been separated, and the various systems have further developed. B-ultrasound clearly shows the embryo, fetal heart rate and fetal heart rate. The gestational sac occupies about 1/3 of the uterine cavity.

2. The gestational sac is the initial embryonic tissue, a small test tube embryo encapsulated by the amniotic membrane and vascular network. The gestational sac is the initial shape of pregnancy. The baby has not yet been born at that time. When the embryonic bud and fetal heartbeat appear, the fetal heartbeat has already begun. The gestational sac is also a type of ectopic pregnancy. The sperm and egg combine within 7 days and do not enter the uterus due to inflammation, adhesion and other factors. Generally, ectopic pregnancy is internal bleeding, and the fetus cannot survive. Therefore, it is known that the size of the gestational sac is related to the growth of the fetus.

3. The gestational sac is only seen in the early stages of pregnancy. For women with standard menstrual periods of 28 to 30 days, the gestational sac can be seen in the uterine cavity by B-ultrasound 35 days after amenorrhea. The diameter of the gestational sac is 2 cm at 6 weeks of pregnancy and about 5 cm at 10 weeks of pregnancy. The location of the gestational sac in the fundus, anterior wall, posterior wall, upper end, and middle of the uterus are all normal.

The appearance of the gestational sac means that the fetus has begun to divide. If the time is right, the fetal heartbeat can be seen. Therefore, the inspection of the gestational sac is very important. Now everyone should know how much hcg is needed to see the gestational sac. The size of the gestational sac also has a standard value during pregnancy. If the gestational sac is too small or too large, you should be alert to avoid unexpected situations.