论文部分内容阅读
未成熟儿的出生是围产儿死亡中的重要原因。了解子宫腔内胎儿发育的情况,对正确及时地决定分娩时间和分娩方式至关重要。目前,研究胎儿生长发育的规律和分娩前确定胎儿的成熟度是围产医
The birth of immature children is an important cause of perinatal death. Knowing the fetal development in the uterine cavity is crucial to determining the timing of childbirth and the mode of delivery correctly and in time. At present, the study of fetal growth and development rules and confirm the fetal maturity before delivery is a perinatal medicine