胎儿宫内发育不良,近年来逐步被受到重视,是高危妊娠中的一个重要问题。其在妊娠中占相当大的比例数。在母儿统一体发生任何异常时,如早产、胎盘早期剥离、妊娠高血压综合征等,胎儿宫内发育不良往往最早发生。该病围产儿死亡率为正常发育胎儿的4～6倍,而且还存在着新生儿死亡 Fetal dysplasia, in recent years gradually been taken seriously, is an important issue in high-risk pregnancy. It accounts for a considerable proportion of pregnancy. Unusual occurrence of any abnormalities in the mother and child, such as premature birth, early placental exfoliation, pregnancy-induced hypertension syndrome, fetal dysplasia often occurs first. The perinatal mortality rate of the normal development of the fetus 4 to 6 times, but also there is the death of newborns