Adolescent pregnancy.
D000293:Adolescent; D002662:Child Health Services; D005193:Family Planning Services; D005260:Female; D005313:Fetal Death; D006801:Humans; D007226:Infant Mortality; D009519:New York City; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology; D011253:Pregnancy in Adolescence; D011295:Prenatal Care