The fourth day of the drug abortion does not respond to consider with the failure of the drug abortion. For women who choose to take medication abortion, under normal circumstances after taking misoprostol tablets will appear vaginal bleeding, discharge of pregnancy and other manifestations, if there is no response on the fourth day of medication abortion is considered to be a failure of the medication abortion, so it is recommended that the patient as soon as possible to the gynecology department of the regular hospital, review ultrasound, and need to be carried out if necessary, abortion surgery. However, it should be noted that drug abortion is suitable for termination of pregnancy within 49 days, and to determine the intrauterine pregnancy of women, and in the process of taking the drug may appear nausea, vomiting, abdominal pain, diarrhea and other gastrointestinal reactions. For women who want to terminate their pregnancy, it is recommended that they go to the gynecology department of a regular hospital and choose a suitable way to terminate their pregnancy under the guidance of a doctor.