2[4]Colan A,Lin G,Evron S,et al.Oligohydramnios:matemal complications and fetal outcome in 145 cases[J].Gynecol Obstet Invest,1994,37(2):91-95.
3[5]Chauhan SP,SandersonⅢ,Hendrix NW,et al.Perinatal outcome and amniotic fluid index in the antepartum and intrapartum periods:A meta-analysis[J].Am J Obstet Gynecol,1998,181(6):1473-1478.
4[6]Casey BM,Clntire DD,Bloom SL,et al.Pregnancy outcomes after antepartum diagnosis of oligohydramnios at or beyond 34 weeks' gestation[J].AmJ Obstet Gynecol,2000,182(4):909-912.
