Factors Associated with Higher Fecundity in Female Maternal Relatives of Homosexual Men

Our findings are based on a small sample and would benefit from a larger replication, however they suggest that if sexually antagonistic genetic factors that induce homosexuality in males exist, the factors might be maintained in the population by contributing to increased fecundity greater reproductive health, extraversion, and a generally relaxed attitude toward family and social values in females of the maternal line of homosexual men. Camperio Ciani AS, Fontanesi L, Iemmola F, Giannella E, Ferron C, and Lombardi L. Factors associated with higher fecundity in female maternal relatives of homosexual men. J Sex Med 2012;9:2878-2887.