After taking mifepristone to expel the gestational sac, if there is no residual tissue in the uterine cavity by ultrasound, then there is no need to take misoprostol, otherwise, continue to take misoprostol or clear the uterus. After a woman has expelled the gestational sac on mifepristone, she needs to determine if it is the fetus that has been expelled and if there is any residual tissue in the uterine cavity, so she can go to the hospital for an ultrasound examination. If it is determined that the intrauterine tissue is completely expelled, it is usually not necessary to continue taking misoprostol. If there is still tissue remaining in the uterus, misoprostol will need to be continued and, if necessary, clearance surgery will be required. Women with liver impairment are cautioned to use mifepristone with caution, and women who are allergic to mifepristone are prohibited from using the drug. The use of Mifepristone may cause adverse reactions such as headache and breast tenderness in women. The use of misoprostol should be careful to use in combination with mifepristone, avoid using alone, cardiac insufficiency of women is prohibited to use misoprostol, the use of misoprostol may lead to women to develop skin rashes and other adverse reactions. After taking Mifepristone to expel the pregnancy sac, you can go to the hospital for ultrasound examination to clarify whether the intrauterine tissue has been completely expelled, and choose whether to continue taking Misoprostol under the guidance of the doctor. All of the above medications should be used under the guidance of a doctor, avoid self-medication. After the expulsion of the gestational sac, you should pay attention to timely recheck to prevent incomplete expulsion of pregnancy tissue.