title: Fecundability.
authors.affiliation: Laboratory of Human Reproduction and Reproductive Biology, Harvard Medical School, Boston, Massachusetts 02115.
authors.forename: J D
authors.initials: JD
authors.lastname: Biggers
mesh_terms: D000293:Adolescent; D000328:Adult; D000375:Aging; D005260:Female; D005298:Fertility; D006801:Humans; D007316:Insemination, Artificial, Heterologous; D008297:Male; D008597:Menstrual Cycle; D008875:Middle Aged; D015233:Models, Statistical; D011247:Pregnancy