title: The placenta. I.
mesh_terms: D000037:Abruptio Placentae; D005260:Female; D006801:Humans; D008431:Maternal-Fetal Exchange; D010920:Placenta / Q000033:anatomy & histology / Q000502:physiology; D010921:Placenta Accreta; D010922:Placenta Diseases; D010923:Placenta Previa; D010926:Placental Hormones / Q000096:biosynthesis; D011247:Pregnancy
chemical_list: D010926:Placental Hormones