Radiographic pelvimetry is of limited value in managing most cephalic presentations.

大数头先露时放射盆测量价值有限。

Objective:To survey the normal values of pelvic inclination of external pelvimetry and to provide evidence so as to estimate dystocia risk index for antenatal care.

测量盆倾斜度外测量正常值,为前检查估计险指数提供依据。