晚期羊水过少诊治进展

晚期羊水过少发病机制尚不明确，与妊娠合并症相互影响、互为因果。其使剖宫产率提高，显著影响围生期结局。产前诊断羊水过少具有一定的困难性和复杂性，超声测量最大羊水暗区的垂直径、羊水指数判断产前羊水量与实际羊水量存在一定误差，超声诊断晚期羊水过少的可靠性受到质疑；应用母体水化疗法及羊膜腔内灌注治疗晚期羊水过少近年取得较大进展，显著降低了剖宫产率，提高了围生期结局。综述晚期羊水过少的病因学、诊断及治疗进展及目前尚存在的问题。

Recent Advances in Diagnosis and Treatment of Oligohydramnios in Late Pregnancy

The mechanisms that cause oligohydramnios(ROH)which is usually associated with an increased risk of adverse perinatal outcomes and cesarean sections are not completely understood.At present sonographic detection of amniotic fluid volume is widely used in diagnosis of ROH before labour, but there is no consent in literature regard the efficacy of Amniotic Fluid Index or Largest Vertical Pocket to quantification the amniotic fluid volume and which one of these methods is better related to adverse perinatal ou...