The contraceptive effects of lactation. Failure to appreciate these effects resulted in unnecessary stress for a couple.
D000328:Adult; D000568:Amenorrhea / Q000209:etiology; D003267:Contraception; D005260:Female; D006801:Humans; D007774:Lactation; D010060:Ovulation; D049590:Postpartum Period; D011247:Pregnancy