Early teenage pregnancy, contraception, and repeat pregnancy.
D000041:Absenteeism; D000293:Adolescent; D001741:Black or African American; D000367:Age Factors; D002648:Child; D003267:Contraception; D003376:Counseling; D005260:Female; D005313:Fetal Death / Q000453:epidemiology; D005500:Follow-Up Studies; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D008427:Maternal Health Services; D010298:Parity; D049590:Postpartum Period; D011247:Pregnancy; D011275:Pregnancy, Unwanted; D011295:Prenatal Care; D012574:Schools; D012725:Sexual Behavior; D012959:Socioeconomic Factors; D013997:Time Factors; D044465:White People