translation.en: In the 1900s, early 1900s, a lot of gynecologists believed that when a woman has an orgasm, the contractions serve to suck the semen up through the cervix and sort of deliver it really quickly to the egg, thereby upping the odds of conception.
translation.zh: 在二十世纪，二十世纪初 众多妇科病专家认为 但妇女经理高潮时 子宫收缩能将精液吸入宫颈 并快速的将精子传递给卵子 这样可以增加受孕机会