I notice nothing's listed here, so let me add some helpful links:

Center for Disease Control (CDC): Sexually Transmitted Diseases
http://www.cdc.gov/std/

inSPOT
http://www.inspot.org/
Anonymously tell someone if you have an STD.

Project Prepare: Breast and Pelvic Education
http://www.projectprepare.org/

The American College of Obstetricians and Gynecologists (ACOG)
http://www.acog.org/

The American Foundation for AIDS Research (amfAR)
http://www.amfar.org/

The Vulvar Pain Foundation
http://www.vulvarpainfoundation.org/
A non-profit organization to end the isolation of women suffering from vulvar pain and related disorders.