A general discussion of the effects of the environment on reproduction.
D000220:Adaptation, Biological; D000818:Animals; D002940:Circadian Rhythm; D004777:Environment; D005260:Female; D005306:Fertilization; D005865:Gestational Age; D006801:Humans; D008297:Male; D008598:Menstruation; D010060:Ovulation; D011247:Pregnancy; D012098:Reproduction; D012621:Seasons