额先露,胎头以最大径线枕颏径入盆通过产道,持续以额为先露称为额先露(brow presentation)。额先露是胎头枕先露与面先露之间的过渡姿势,若胎头俯屈良好可成枕先露,若仰伸则成面先露,多于临产后发生,比较少见,且多见...
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delivery of brow presentation 额先露分娩
Obstructed labor due to brow presentation 额先露引起的梗阻性分娩
Maternal care for face, brow, and chin presentation 为面先露、额先露和颏先露给予的孕产妇医疗
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