What reason is gestational sac growth slow

summary

Due to the slow growth of gestational sac, it is estimated that it is different for different people. The growth rate of gestational sac is a problem that many pregnant female friends want to understand. In any case, they have to understand. The growth rate of gestational sac mainly depends on their own hormone levels and the growth status of the fetus. Through the ultrasonic examination can not only check whether pregnant, but also can check whether normal pregnancy, as well as the development of gestational sac. Some pregnant women do not see the gestational sac when the examination, which is very worried, afraid of poor fetal development. So, what is the growth rate of gestational sac? Take a look at the following, you will know something about it.

What reason is gestational sac growth slow

First: in general, the halo of pregnancy can be observed by B-ultrasound examination at about 5 weeks of pregnancy, the gestational sac size is about 0.9-3.2cm, with an average of about 1.97cm; the gestational sac size is about 1.1-3.7cm, with an average of about 2.39cm at about 6 weeks of pregnancy; the primitive heart tube pulsation and fetal bud can be observed at 8 weeks of pregnancy, with an average of about 3.23cm at 1.5-6.5cm

Second: however, some women have long menstrual cycle, late ovulation and late implantation of fertilized eggs, which can occur. Secondly, the development speed of gestational sac is not very consistent, which can also cause differences. Finally, B-ultrasound is only an imaging examination, and the section taken during the examination will also affect the examination results

Third, to judge whether the embryo development is normal, we need to make a comprehensive analysis based on progesterone, hCG and B-ultrasound

matters needing attention

If you don't see the gestational sac at the beginning of pregnancy, it is recommended that you pay attention to nutrition and rest, and regularly check and comprehensive analysis.