Bleeding in the first trimester is not normal and the absence of a fetal heart needs to be reviewed around 6 weeks of pregnancy, if it is not there yet a miscarriage may have occurred. The germ and primitive heart tube pulsations have not yet developed before reaching 6 weeks of gestation and it is normal to not see a fetal heart before this time frame. If there is a small amount of vaginal bleeding, it may be a preeclampsia, but it is not certain. It is recommended that blood HCG and progesterone be checked, and that the presence of an early pregnancy reaction be observed to determine if it is normal, and that the vaginal bleeding require progesterone supplementation for fertility preservation therapy. If vaginal bleeding is found after 6 weeks of pregnancy and there is no fetal heartbeat, miscarriage may have occurred, it is recommended to go to the hospital as soon as possible for examination, and if the diagnosis of miscarriage is confirmed, it is necessary to determine whether the need for removal of the uterus treatment.