1.应以危及母婴生命安全的问题为主要诊断例如:前置胎盘大出血、产科DIC、胎儿宫内窘迫(严重)2.应以投入医疗力量最大,花费医疗精力最多的问题为主要诊断例如:产时出血、梗阻性分娩情况3.剖腹产应以手术指征为主要诊断例如:臀位、骨盆畸形、胎儿宫内窘迫4.妊娠期合并症与分娩期 1. Should be endangering the safety of mother and baby as the main diagnosis of problems such as: placenta previa bleeding, obstetric DIC, fetal distress (severe) 2. should be put into the medical power of the largest, most medical care to spend the problem as the main diagnosis For example : Intrapartum bleeding, obstructive childbirth 3. Caesarean section should be the main indication for surgical indications such as: breech, pelvic deformity, fetal distress 4. Pregnancy complications and childbirth