title: Time of insemination, time of conception, duration of gestation and offspring sex ratio.
authors.forename: J F
authors.initials: JF
authors.lastname: Martin
mesh_terms: D003075:Coitus; D005260:Female; D005306:Fertilization; D006801:Humans; D008297:Male; D011247:Pregnancy / Q000502:physiology*; D012744:Sex Ratio; D013997:Time Factors