A.60~80mmHg B.40~60mmHg C.80~100mmHg D.100~110mmHg E.100~150mmHg
A.估計(jì)分娩時(shí)會(huì)陰撕裂不可避免 B.會(huì)陰過緊 C.經(jīng)產(chǎn)婦 D.胎兒過大 E.母兒有病理情況急需結(jié)束分娩
A.胎頭撥露后不久 B.胎頭開始撥露時(shí) C.經(jīng)陰道外口看到胎發(fā)時(shí) D.胎頭撥露陰唇后聯(lián)合緊張時(shí) E.胎頭開始著冠時(shí)