It is usually best to review the ultrasound one week after the complete expulsion of the gestational sac after a medical abortion. If there is excessive vaginal bleeding during a medical abortion and the pregnancy tissue is incomplete, an ultrasound examination is required immediately. Medical abortion refers to the termination of early pregnancy by oral mifepristone and misoprostol tablets. Vaginal bleeding and discharge of pregnancy material usually occurs after 2 hours of oral misoprostol. The smaller the gestational age, the more effective the abortion will be. Generally, those who have complete expulsion of the gestational sac can go home for observation. After the procedure, pay attention to rest and appropriate activities, and the best time to review the ultrasound after one week. If the uterus has recovered well, the presence of intrauterine residues can be clearly distinguished. In some cases with large gestation weeks and large gestational sacs, there may be a lot of vaginal bleeding during the medical abortion and the possibility of incomplete expulsion of pregnancy tissue is higher. In conclusion, medical abortion is mainly suitable for early pregnancy within 7 weeks, and there is a certain chance of failure, so it should be chosen carefully if you consider terminating pregnancy.