title: Searching for a postpartum contraceptive.
authors.forename: G
authors.initials: G
authors.lastname: Perez-palacios
authors.forename: J
authors.initials: J
authors.lastname: Garza-flores
mesh_terms: D000569:Americas; D001695:Biology; D001721:Birth Intervals; D002489:Central America; D003267:Contraception; D019049:Developed Countries; D003906:Developing Countries; D004703:Endocrine System; D005193:Family Planning Services; D006728:Hormones; D007267:Injections; D007843:Latin America; D016912:Levonorgestrel; D008800:Mexico; D008895:Milk, Human; D009656:North America; D010827:Physiology; D049590:Postpartum Period; D011374:Progesterone; D045167:Progesterone Congeners; D011372:Progestins; D012098:Reproduction
chemical_list: D006728:Hormones; D045167:Progesterone Congeners; D011372:Progestins; D011374:Progesterone; D016912:Levonorgestrel
keywords: Americas; Biology; Birth Spacing; Central America; Contraception; Contraceptive Agents, Progestin; Contraceptive Methods; Developed Countries; Developing Countries; Endocrine System; Family Planning; Hormones; Human Milk; Injectables; Latin America; Levonorgestrel; Mexico; North America; Physiology; Postpartum Women; Progestational Hormones; Progesterone; Progestins, Low-dose; Puerperium; Reproduction