英语语法分析

These hypothesized functions for PPD are far from proved.

这些对于产后抑郁症作用的假设还远未得到证实。

Studies confirm that mothers with PPD do significantly reduce parenting efforts and often have thoughts of harming their baby.

研究证明，患有产后抑郁症的母亲在抚养照顾子女上的付出明显降低，而且常会有伤害自己孩子的想法。

This "psychic pain hypothesis" cannot explain the whole story, however, because few parents suffering from PPD abandon their newborn.

不过这种“精神痛苦假说”并不能解释全部事情，因为抛弃孩子的产后抑郁父母很少。