In the third trimester of pregnancy, it is not possible to use medication abortion because in the third trimester, the embryo has already developed, and the head, limbs, spine, location of the placenta and the amount of amniotic fluid can be clearly observed under the ultrasound, so only inpatient abortion treatment can be used. The drug abortion can only be taken if the woman is within 49 days of menopause and the diameter of the pregnancy sac is less than 2 cm, and there are no contraindications to taking the drug. When women are in their third trimester and hospitalized to induce abortion, in order to help the endometrium to peel off better, they can choose to take mifepristone for two days orally and inject Levanoxyl into the uterine cavity at the same time to induce abortion, the combination of the two drugs can effectively help the uterine meconium to shed and improve the success rate of induction.