You can’t breastfeed after 20 hours of medication abortion, and you need to breastfeed after three days of medication abortion. Drug abortion is a measure to terminate early pregnancy with drugs, the current clinical application of drugs for mifepristone and misoprostol, mifepristone belongs to the steroid anti-progestin preparations, can play the role of anti-progestin and anti-glucocorticoid. Misoprostol is a prostaglandin analog that excites the uterus and softens the cervix, and the two together can terminate an early pregnancy. As the medication for medication abortion contains hormones, if you breastfeed your baby 20 hours after the medication abortion, the effects of the medication can affect your baby through the breast milk, therefore, medication abortion will require you to temporarily stop breastfeeding for three days, and then breastfeed your baby after three days. Drug abortion should be carried out under the guidance of a doctor, not blindly self-medication.