早期诊断胎儿宫内窘迫是近代围产期保健的重要课题,Fischer认为胎儿产前、产时死亡中50％发生于胎盘功能受损,临床实践证明,许多过期妊娠及妊毒症产妇,于产前或产时可无其他任何原因发生胎儿死亡,有时甚至发生于产程任何阶段的一瞬间。因此 Early diagnosis of fetal distress in modern perinatal care is an important issue, Fischer that prenatal and fetal death occurred in 50% of placental damage occurs, clinical practice has proved that many of the complications of pregnancy and pregnancy induced maternal, in the production There are no other causes of fetal death before and during labor, and sometimes even at any moment in the labor cycle. therefore