Sources of prenatal care of mothers having births in Maryland.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000367:Age Factors; D004522:Educational Status; D005260:Female; D006801:Humans; D007226:Infant Mortality; D008396:Maryland; D008427:Maternal Health Services / Q000706:statistics & numerical data*; D010044:Outpatient Clinics, Hospital / Q000706:statistics & numerical data; D011247:Pregnancy; D011295:Prenatal Care; D011331:Private Practice; D012959:Socioeconomic Factors