The teen mommy track.
D000293:Adolescent; D000367:Age Factors; D000569:Americas; D001519:Behavior; D003469:Culture; D003710:Demography; D019049:Developed Countries; D004467:Economics; D005298:Fertility; D009656:North America; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D011203:Poverty; D011253:Pregnancy in Adolescence; D011584:Psychology; D012725:Sexual Behavior; D012959:Socioeconomic Factors; D014481:United States
Adolescent Pregnancy; Adolescents; Adolescents, Female; Age Factors; Americas; Behavior; Culture; Demographic Factors; Developed Countries; Economic Factors; Fertility; North America; Northern America; Population; Population Characteristics; Population Dynamics; Poverty; Psychosocial Factors; Reproductive Behavior; Socioeconomic Factors; United States; Youth