title: The subgingival microbial flora during pregnancy.
mesh_terms: D000328:Adult; D001419:Bacteria / Q000302:isolation & purification*; D003773:Dental Plaque / Q000378:metabolism / Q000382:microbiology; D004958:Estradiol / Q000378:metabolism; D005260:Female; D005881:Gingiva / Q000382:microbiology*; D005891:Gingivitis / Q000453:epidemiology / Q000382:microbiology; D006801:Humans; D010512:Periodontal Index; D011247:Pregnancy; D001443:Prevotella melaninogenica / Q000302:isolation & purification; D011374:Progesterone / Q000378:metabolism
chemical_list: D011374:Progesterone; D004958:Estradiol