title: The status of the hypothesis that the human sex ratio at birth is associated with the cycle day of conception.
authors.forename: W H
authors.initials: WH
authors.lastname: James
mesh_terms: D005260:Female; D005306:Fertilization; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D010060:Ovulation; D012744:Sex Ratio