title: Incidence of gingivitis in pregnancy.
mesh_terms: D002986:Clinical Trials as Topic; D004967:Estrogens; D005260:Female; D005885:Gingival Hyperplasia / Q000453:epidemiology*; D005891:Gingivitis / Q000453:epidemiology*; D006801:Humans; D011247:Pregnancy; D011374:Progesterone
chemical_list: D004967:Estrogens; D011374:Progesterone