title: Depression: emotion or illness?
mesh_terms: D003863:Depression / Q000188:drug therapy / Q000209:etiology*; D005260:Female; D006801:Humans; D010920:Placenta / Q000032:analysis; D011247:Pregnancy; D011293:Premenstrual Syndrome / Q000209:etiology*; D011374:Progesterone / Q000032:analysis / Q000627:therapeutic use; D011644:Puerperal Disorders / Q000209:etiology*
chemical_list: D011374:Progesterone