The impact of early use of prescription contraceptives on reducing premarital teenage pregnancies.
D000206:Actuarial Analysis; D000293:Adolescent; D000328:Adult; D003267:Contraception / Q000379:methods*; D003271:Contraceptive Agents, Female; D011307:Drug Prescriptions; D005260:Female; D006801:Humans; D008393:Marriage; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D012306:Risk; D012725:Sexual Behavior
D003271:Contraceptive Agents, Female