Carboxytocin is used to prevent uterine atony and postpartum hemorrhage after selective epidural or lumbar anesthesia caesarean section. The use of capecitabine in emergency caesarean section, classical caesarean section, epidural or spinal anesthesia or other anesthetized caesarean section or parturients with a clear history of heart disease, hypertension, known coagulation diseases or liver, kidney and endocrine diseases (excluding gestational diabetes mellitus) has not been studied. Carboxytocin treatment after vaginal delivery has not been properly studied and its dosage has not yet been determined.