Normally, there is no vaginal bleeding after pregnancy, but if there is vaginal bleeding, it is a sign of preterm miscarriage. An ultrasound can be done to find out the location of the gestational sac and to see if the size of the sac matches the number of days of menopause. Laboratory tests, such as normal blood HCG and progesterone, normal blood count and normal clotting time, should also be performed to give a comprehensive analysis. If necessary, bed rest should be given and active anti-fetal treatment should be given. If the embryo has stopped developing, it is recommended to remove the uterus as soon as possible. If the embryo has stopped developing, it is recommended to remove the embryo as soon as possible, because it may cause a large amount of bleeding and endanger the life of the pregnant woman due to clotting dysfunction.