Millions of others suffer infections or injuries from pregnancy and childbirth .

另外有数百万人因怀孕和分娩而受感染疾病或受伤。

The same is true of restrictions on out of wedlock childbirth .

同样的，对非婚生子女的分娩限制也是如此。

Others may argue the muscles used in childbirth are the most powerful .

其他人可能存在着争议，他们认为用于分娩的肌肉才是最强有力的。

Anxiety in childbirth slows the production of the hormone oxytocin , which allows effective contractions .

分娩焦虑减缓催产激素的产生，而这种激素能刺激有效子宫收缩。

I 'm not even going to get into products related to menstruation , childbirth and menopause .

我对一切与经期、分娩和更年期有关的产品都不感兴趣。