In early pregnancy, it is normal if a pregnant woman’s chorionic gonadotropin doubles. A slight drop in progesterone results is not too problematic in most cases. In early pregnancy, although a drop in progesterone increases the risk of miscarriage, a doubling of HCG is more clinically significant compared to progesterone. If the doubling of chorionic gonadotropin is good, and the ultrasound shows good viability of the embryo, and the embryo and fetal heart are already present, there is no need to be too nervous, just continue to observe, and take some progesterone supplements as appropriate. However, if the ultrasound result is not satisfactory, you should be alert to the occurrence of abnormal miscarriage and pre-eclampsia.