Normally, 8 weeks of pregnancy refers to the time of 8 weeks of menopause, at which time the gestational sac should be 3.5-4.5cm.
As the duration of pregnancy increases, the gestational sac will gradually increase in size. At 8 weeks of pregnancy, you can mostly see the fetal heart and buds developing, the diameter of the gestational sac will be 3.5-4.5cm, and the head and buttocks of the embryo will be between 1.6-2.2cm. If the gestational sac is too big or too small, there may be a developmental situation or need to recheck the gestational week.
1. 8 weeks pregnant if the gestational sac is too large, there may be excessive nutrition, such as diabetes and other conditions, if the gestational sac is relatively small, there may be a slow development of the fetus, or easy to cause fetal arrest, usually pay attention to regular review of fetal ultrasound to clarify the size of the gestational sac.
2. In the early stages of pregnancy, you can measure the size of the gestational sac through ultrasound, according to the size of the gestational sac to determine the time of pregnancy, especially for the irregular menstrual cycle or forget the last menstrual period of women, you can measure the size of the gestational sac to check the number of weeks of pregnancy.
8 weeks of pregnancy belongs to the early stage of pregnancy, it is recommended to supplement folic acid tablets under the guidance of the doctor in time, to prevent fetal neural tube development malformation, and also need to do a good job of regular obstetric examination, avoid exposure to harmful substances.