Black and white pregnant women in Johannesburg, South Africa.
D000293:Adolescent; D000328:Adult; D044383:Black People; D003729:Dental Care / Q000706:statistics & numerical data; D003731:Dental Caries / Q000453:epidemiology; D005006:Ethnicity; D005260:Female; D006801:Humans; D009909:Oral Health; D009910:Oral Hygiene; D010510:Periodontal Diseases / Q000453:epidemiology; D011247:Pregnancy; D013019:South Africa; D044465:White People