Coitus-induced ovulation and sex ratio in man.
作者信息
Bartos L
出版信息
Med Hypotheses. 1980 Sep;6(9):899-906. doi: 10.1016/0306-9877(80)90041-9.
PMID:7432251
Abstract
It is hypothesised that the occurence of coitus-induced ovulation could be an important factor affecting the sex ratio in human progeny. The slight preponderance of males in human sex ratio at birth, 106 : 100, could be influenced considerably by the coitus-induced occurence.
摘要
Zotero 插件