Radiographic pelvimetry is of limited value in managing most cephalic presentations.
大多数头先露时放射骨盆测量价值有限。
Cephalic presentation
英语例句库
原声例句
Osmosis-解剖与生理
Cephalic, or head-first, is the first type, and furthermore the most common and optimal presentation for easy delivery is a type of cephalic presentation called vertex, which includes complete flexion of the head as well.
头先露，第一种类型；进一步说，对于顺产来说最常见的、最佳的先露，是一种称为顶先露的头先露，包括完整的头部俯屈。
英语百科
Cephalic presentation
A cephalic presentation or head presentation or head-first presentation is a situation at childbirth where the fetus is in a longitudinal lie and the head enters the pelvis first; the most common form of cephalic presentation is the vertex presentation where the occiput is the leading part (the part that first enters the birth canal). All other presentations are abnormal (malpresentations) which are either more difficult to deliver or not deliverable by natural means.
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