A.800mlB.1000mlC.1300mlD.1500mlE.2000ml
A.羊膜、平滑绒毛膜、真蜕膜B.羊膜、平滑绒毛膜、底蜕膜C.羊膜、叶状绒毛膜、真蜕膜D.羊膜、叶状绒毛膜、底蜕膜E.羊膜、叶状绒毛膜、包蜕膜
A.如为臀位,行足牵引B.人工破膜,头皮钳牵引压迫止血C.胎头吸引助产D.缩宫素引产E.剖宫产