Environmental influences on human fertility.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000531:Altitude; D001723:Birth Rate; D002648:Child; D002675:Child, Preschool; D002980:Climate; D003075:Coitus; D003469:Culture; D004777:Environment; D005260:Female; D005298:Fertility; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008027:Light; D008297:Male; D008393:Marriage; D008875:Middle Aged; D011158:Population Growth; D011247:Pregnancy; D012098:Reproduction; D012621:Seasons; D013696:Temperature; D014427:Twins