"I couldn't believe when it happened to me:" the challenge of unintended teenage pregnancy.
D000293:Adolescent; D000367:Age Factors; D000569:Americas; D003710:Demography; D019049:Developed Countries; D004467:Economics; D005298:Fertility; D006301:Health Services Needs and Demand; D009656:North America; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D011253:Pregnancy in Adolescence; D012725:Sexual Behavior; D014481:United States
Adolescent Pregnancy; Adolescents; Age Factors; Americas; Demographic Factors; Developed Countries; Economic Factors; Fertility; Needs; North America; Northern America; Population; Population Characteristics; Population Dynamics; Reproductive Behavior; United States; Youth