breech presentation 臀先露 ; 臀位

frank breech presentation 单臀先露 ; 单臀先露或腿直臀先露

mixed breech presentation 混合臀先露

incomplete breech presentation 不完全臀先露 ; 不全臀先露

single breech presentation 倒臀产

score of breech presentation 臀位评分法

breech presentation conversion 胎儿臀位矫正

Maternal care for breech presentation 为臀先露给予的孕产妇医疗

Obstructed labor due to breech presentation 臀先露引起的梗阻性分娩