人体直立时,骨盆入口平面与地平面所形成的角度称骨盆倾斜度。由于骨盆倾斜,耻骨联合后壁与水平面也呈一角度,这一角度尚未被测量命名,笔者称其为耻骨联合倾斜度,并发现这一角度在早孕期、晚孕期、分娩期及产后均有显著变化。现将其测量方法及其在妊娠期的变化情况介绍如下。临 When the human body erects, the angle formed by the plane of the pelvic inlet and the ground plane refers to the pelvic tilt. Due to pelvic tilt, the pubic symphysis posterior wall and the horizontal plane also showed an angle, this angle has not been named by the measurement, the author said it was pubic symphysis tilt, and found that this angle in early pregnancy, late pregnancy, childbirth and postpartum Significant changes. Now the measurement methods and their changes during pregnancy are described below. Pro