Misoprostol should be taken orally on the third day of medical abortion under the instruction of the doctor. Generally speaking, the gestational sac will be discharged within two to six hours after the oral medication is taken. Generally speaking, oral misoprostol will promote uterine contraction, easy to abdominal pain, vaginal bleeding and other symptoms, at this time the gestational sac and the embryonic tissue will be discharged along with the vaginal bleeding, so the patient needs to observe the amount of bleeding and whether the embryonic tissue is intact. Generally after taking the drug, if the patient is sensitive to the drug, the embryonic tissue will be discharged within two to six hours, if some patients are not sensitive to the drug, there may be a failure of the drug abortion, incomplete abortion and other possibilities. If you don’t discharge the gestational sac within 72 hours after taking the medicine on the third day, it is recommended that you go to the hospital in time to do an ultrasound to check whether there is any residue in the uterine cavity. If there is any abnormality, the doctor should clear the uterus in time to avoid hemorrhage and other adverse situations.