Female fecundity and age.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000375:Aging; D000818:Animals; D003075:Coitus; D005260:Female; D005298:Fertility; D006801:Humans; D007316:Insemination, Artificial, Heterologous; D008297:Male; D011247:Pregnancy; D051381:Rats