A.對角徑10~11cm B.坐骨結(jié)節(jié)間徑8cm C.坐骨切跡<2指 D.恥骨弓角度90° E.骨盆傾斜度80°
A.前矢狀徑 B.坐骨結(jié)節(jié)間徑 C.髂嵴間徑 D.骶恥外徑 E.髂棘間徑
A.19~20cm B.17~20cm C.19~21cm D.18~21cm E.18~20cm