...小于胎先露部能够通过的限度，阻碍先露部下降，影响产程顺利进展，致骨盆狭小胎头通过受阻碍，称狭窄骨盆（pelvic contraction），是造成难产的主要原因之一。
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plane pelvic contraction 释义骨盆狭窄平面
Obstructed labor due to pelvic inlet contraction 骨盆入口狭窄引起的梗阻性分娩
Abnormal contraction of muscle groups in the pelvic floor such as declined or persistent contraction, disharmony contraction and relaxation.
盆底肌群收缩功能下降，持续收缩、不协调收缩或松弛。
Results The patients 3 months postpartum, 6 months and 12 months of urination, pelvic floor muscle contraction and pad test positive rate were all better than the control group( P<0.05).
结果观察组患者产后3个月、6个月和12个月的排尿情况、盆底肌肉收缩能力和尿垫试验阳性情况均优于对照组（P＜0.05）。
After delivery in three months, 6 months and 12 months, respectively, the patients were evaluated maternal urination, pelvic floor muscle contraction and pad test positive results.
在产妇分娩后3个月、6个月及12个月时，分别评价两组产妇的排尿情况、盆底肌肉收缩能力和尿垫试验阳性结果。
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