1, the application of heparin and aspirin pregnant women, 1 week before the end of labor to stop aspirin, the day of delivery to stop heparin, that is, can be normal delivery or cesarean section delivery; 2, if a cesarean section, you need to use heparin in the postoperative period of 24 hours until you can get out of bed activities. 3.If the delivery is normal, heparin can be used after delivery according to the situation. 4.Because heparin does not pass through breast milk, you can breastfeed after using heparin. 5.Prednisone: the drug can be decomposed when it passes through the placenta, so it is a safe dose to apply up to 40mg during pregnancy. If applied continuously for more than 1 month, when reducing the drug, reduce the tablet by half every 3 days and try to stop the drug 1 week before delivery, but if you can’t stop the drug and you especially want to breastfeed, breastfeed again 4 hours after taking the drug.