Can the size of the gestational sac be used to accurately determine the gender of the baby during pregnancy? Pregnant women always want to know the gender of their baby in the early stages of pregnancy, and the size of the gestational sac seems to be a good indicator that can be used to guess and determine the gender. But is this statement really scientific? This article will elaborate on the following aspects. The size of the gestational sac does not determine the gender of the baby. The gestational sac is a sac-like structure that is part of the embryo during early pregnancy. There is a study sheet