title: Three IFRP studies investigate breast-feeding and contraception.
mesh_terms: D001695:Biology; D001942:Breast Feeding; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003906:Developing Countries; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D006262:Health; D007227:Infant Nutritional Physiological Phenomena; D007774:Lactation; D009747:Nutritional Physiological Phenomena; D010060:Ovulation; D049590:Postpartum Period; D012098:Reproduction; D012106:Research
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female
keywords: Biology; Breast Feeding--changes; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Progestin; Developing Countries; Evaluation; Family Planning; Family Planning, Behavioral Methods; Health; Infant Nutrition; Lactation, Prolonged; Nutrition; Ovulation; Postpartum Women; Puerperium; Reproduction; Research Methodology