DragomanM, DavisA. Abortion care for adolescents. Clin Obstet Gynecol, 2008; 51:281–289.
2.
CremerM, HollandE, AdamsBet al.Adolescent comprehension of emergency contraception in New York City. Obstet Gynecol, 2009; 113:840–844.
3.
VenturaSJ, AbmaJC, MosherWD. Estimated pregnancy rates by outcome for the United States, 1990–2004. Natl Vital Stat Rep, 2008; 56:1–26.
4.
GipsonJD, KoenigMA, HindinMJ. The effects of unintended pregnancy on infant, child, and parental health: A review of the literature. Stud Fam Plann, 2008; 39:18–38.
5.
TrussellJ, LallaAM, DoanQVet al.Cost-effectiveness of contraceptives in the United States. Contraception, 2009; 79:5–14.
6.
FrostJJ. Trends in U.S. women's use of sexual and reproductive health care services, 1995–2002. Am J Public Health, 2008; 98:1814–1817.
7.
Teen sexual activity and birth control use in NYC. NYC Department of Health and Mental Hygiene Vital Signs, 2007. www.nyc.gov/html/doh/downloads/pdf/survey/survey-2007youthsex.pdf
8.
HarrisG.Teenage birth rates rise for the first time since '91. New York Times On-line: Health, 2007. www.nytimes.com/2007/12/06/health/06birth.html?_r = 1&oref = slogin