American College of Obstetricians and Gynecologists (ACOG) is a nonprofit organization of professionals who provide health care for women, including teens. The ACOG Resource Center publishes manuals and patient education materials. The Web publications section of the site has patient education pamphlets on many women's health topics, including reproductive health, breast-feeding, violence, and quitting smoking.

This organization of health professionalsprovides education and information on reproductive health matters, suchas sexual health, sexually transmitted diseases (STDs), family planning, contraception,and infertility.

The National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention is a branch of the Centers for Disease Control and Prevention (CDC). Their Web site provides information and updates on sexually transmitted diseases (STDs), human immunodeficiency virus (HIV), and tuberculosis (TB). You can also find fact sheets on these health topics.

This nonprofit advocacy group includes consumers, health centers, and organizations. The National Women's Health Network monitors federal health policy and operates an information clearinghouse.