Environmental anovulatory cycles.
D000328:Adult; D001831:Body Temperature; D004777:Environment; D004967:Estrogens / Q000494:pharmacology; D005260:Female; D006801:Humans; D008599:Menstruation Disturbances / Q000209:etiology*; D010060:Ovulation; D010507:Periodicity; D013312:Stress, Physiological
D004967:Estrogens