何项为羊水过少（　　）A.2000mlB.＞2000mlC.1000mlD.500mlE.

低于多少为羊水过少A．300mlB．400mlC．500mlD．200mlE．600ml

羊水过少为少于（)A.2000mlB.2100mlC.1000mlD.300mlE.250ml

何项为羊水过多A 2000mlB > 2000mlC 1000mlD 500mlE

何项为羊水过少A 2000mlB > 2000mlC 1000mlD 500mlE

何项为羊水过多（　　）A.2000mlB.＞2000mlC.1000mlD.500mlE.

妊娠晚期诊断羊水过少 是指羊水少于( )A.100mlB.150mlC.200mlD.250mlE.300ml