title: A survey of postpartum fertility studies with particular reference to the breastfeeding mother.
mesh_terms: D001942:Breast Feeding; D006063:Chorionic Gonadotropin; D004967:Estrogens / Q000097:blood; D005260:Female; D005298:Fertility; D005640:Follicle Stimulating Hormone / Q000097:blood; D006801:Humans; D007774:Lactation; D008598:Menstruation; D010060:Ovulation; D049590:Postpartum Period; D011247:Pregnancy; D011388:Prolactin / Q000097:blood; D013973:Thyrotropin-Releasing Hormone
chemical_list: D006063:Chorionic Gonadotropin; D004967:Estrogens; D013973:Thyrotropin-Releasing Hormone; D011388:Prolactin; D005640:Follicle Stimulating Hormone