Teens' contraceptive needs.
D000293:Adolescent; D000367:Age Factors; D000569:Americas; D017280:Condoms; D003274:Contraceptive Devices, Female; D003276:Contraceptives, Oral; D003710:Demography; D019049:Developed Countries; D004467:Economics; D005193:Family Planning Services; D006285:Health Planning; D006301:Health Services Needs and Demand; D007434:Intrauterine Devices; D009656:North America; D011153:Population; D011154:Population Characteristics; D014481:United States
D003276:Contraceptives, Oral
Adolescents; Age Factors; Americas; Condom; Demographic Factors; Developed Countries; Economic Factors; Family Planning; Family Planning Programs; Iud; Needs; North America; Northern America; Oral Contraceptives; Population; Population Characteristics; United States; Vaginal Diaphragm; Youth