Contraception during breastfeeding.
D000568:Amenorrhea; D001942:Breast Feeding; D003267:Contraception; D005193:Family Planning Services; D006262:Health; D007227:Infant Nutritional Physiological Phenomena; D007774:Lactation; D009747:Nutritional Physiological Phenomena; D049590:Postpartum Period; D012098:Reproduction; D012746:Sexual Abstinence
Breast Feeding; Contraception; Contraceptive Methods; Family Planning; Family Planning, Behavioral Methods; Health; Infant Nutrition; Lactation, Prolonged; Nutrition; Postpartum Abstinence; Postpartum Amenorrhea; Puerperium; Reproduction; Sexual Abstinence