This is according to a study published in the journal “Fertility and Sterility, ” although researchers have no idea why.

这一数据根据的是发表在“生育与不孕”期刊的一项研究，虽然研究者不知道为什么。

The finding, published in the journal Fertility and Sterility, raises new and controversial questions about the role that stress may play in infertility.

这一结果在杂志《生育与不育》上发表，引起了关于压力在不孕症中的作用这一新的有争议的话题。