The gestational sac, also known as the gestational sac, is the first phenomenon to appear in early pregnancy and can be observed through ultrasound. The gestational sac will appear around five weeks of pregnancy, and its function is to quickly form a relatively closed gap after the fertilized egg implants. Do you know the size of the gestational sac at five weeks of pregnancy?
Size of gestational sac at 5 weeks of pregnancy
The unique product of the gestational sac in early pregnancy is the initial form of pregnancy, which is a small embryo wrapped in amniotic membrane and vascular network, and continues to grow as the gestational age progresses. In the fifth week of pregnancy, the size of the gestational sac is less than 1/4 of the uterine cavity. At the fifth week of pregnancy, the fetus is about 0.6 centimeters long and enters the embryonic stage. The amniotic cavity expands, and the primitive cardiovascular system appears with pulsation. Pregnant women can see a small gestational sac through ultrasound, which accounts for less than 1/4 of the uterine cavity. Some expectant mothers who conceive early may also be able to see the fetal bud.
The function of gestational sac
1. Estimating gestational age: Measuring gestational sac size using ultrasound during pregnancy is mainly used to estimate gestational age. Based on changes in data, defects in fetal development can be detected in a timely manner. Especially expectant mothers with small gestational sacs should pay more attention.
2. Many expectant mothers have heard of using the size of the gestational sac to determine the gender of a fetus. Experts remind that when using the gestational sac to determine the gender of a fetus, three data points must be considered. But it should be reminded to expectant mothers that it can only be used as entertainment for couples during pregnancy, and not all should be taken seriously. Everything should be based on the birth of the fetus.
The above is the encyclopedia introduction about the size of the gestational sac at 5 weeks of pregnancy. In short, the size of the gestational sac is only a basis, and it should be determined according to the pregnant woman's own condition. Each expectant mother's physical condition is different, and the size of the gestational sac is also different. In addition, the personal emotions and physical health of the expectant mother also have an impact on the size of the gestational sac. I hope this article can be helpful to everyone.