The gestational sac gradually increases in size with the duration of pregnancy, and when the gestational sac is 12mm x 10mm x 15mm, it is normal if it is around 40 days of pregnancy, and abnormal if it is at any other time.
During pregnancy, the gestational sac will gradually increase in size, can not be based solely on the size of the gestational sac to determine whether it is normal, but also need to be combined with the time of pregnancy. If the gestational sac is 12mm x 10mm x 15mm at about 40 days of pregnancy, it is in line with the normal standard, if the gestational time is greater than this, it means that the gestational sac is on the small side, if the gestational time is less than this, it means that the pregnancy is calculated incorrectly.
During pregnancy, women should do active pregnancy checkups, observe the development of fetal heart and buds, and determine whether the embryo is normal or not. If the embryo develops abnormally, it is necessary to consult a doctor in time and take appropriate methods to intervene under the doctor’s guidance.