不会吧不会吧

楼主说不定还指着这个上十大呢

我来炒一炒

Human sex ratio

In humans, the natural ratio between males and females at birth is slightly biased towards the male sex, being estimated to be about 1.05^[2] or 1.06^[3] or within a narrow range from 1.03 to 1.06^[4] males/per female born.

为啥出生时男性和女性之间的自然比例偏向于男性呢

好气哦