对于妇女而言,妊娠是一次挑战,不少妇女会在孕期出现各种各样的问题,严重者会导致母亲和围生儿死亡,或者对母亲或围生儿造成器官和功能的伤害。围生医学最重要的工作是降低孕产妇死亡和围生儿死亡的风险。随着围生医学技术的发展和进步,孕产妇死亡和围生儿死亡逐渐成为小概率事件,如何保护孕产妇的器官和功能的完整,以及如何保护胎儿或新生儿器官功能已经是当今围生医学工作重点之一。 Pregnancy is a challenge for women. Many women experience various problems during pregnancy. In severe cases, maternal and perinatal deaths or organ and / or perinatal damage can occur. The most important task in perinatal medicine is to reduce the risk of maternal and perinatal deaths. With the advancement and development of perinatal medical technology, maternal and perinatal deaths have gradually become a small probability event. How to protect the integrity of the organs and functions of pregnant women and how to protect the function of the fetus or neonates is nowadays the perinatal One of the focuses of medical work.