A nonprofit scientific, educational organization to confront the global epidemics of nonmarital pregnancy and sexually transmitted disease.
  http://www.medinstitute.org  [Site Details]

Advice, help and information about sexuality for teens. Sections for both males and females.
  http://www.scarleteen.com  [Site Details]

Advice for teens about sexuality, contraception, drugs, smoking, and related topics. Project of the Network for Family Life Education by Rutgers University.
  http://www.sexetc.org  [Site Details]

Sexual health and STD prevention information for teens, including chat, education, games, and other resources.
  http://www.iwannaknow.org  [Site Details]

Articles and tips for men regarding condom use, male sexual health including male enhancement products, premature ejaculation prevention, and more.
  http://www.thinkcondoms.com  [Site Details]

Provides information on symptoms and treatment options.
  http://www.webmd.com/sexual-conditions/default.htm  [Site Details]

Non-profit organization founded by women to provide educational information to the public and healthcare providers.
  http://www.twshf.org  [Site Details]