Results:The morbidity of cavity fetal distress(CFD),less amniotic fluid quantity(AFQ),Excrement pollute amniotic fluid(MSAF),which AFI is .～8.0cm is higher than it is 8.～9.9cm.

Results:The morbidity of cavity fetal distress(CFD),less amniotic fluid quantity(AFQ),Excrement pollute amniotic fluid(MSAF),which AFI is .～8.0cm is higher than it is 8.～9.9cm.

果 :AFI .～ 8.0cm的胎儿宫内窘迫 (CFD)、羊水量 (AFQ)过少、胎粪污染 (MSAF)的发生率明显低于AF8.～ 9.9cm。