Advocates for Youth: www.advocatesforyouth.org
American Association of Sex Educators, Counselors and Therapists (AASECT): www.aasect.org
American Social Health Association: www.ashastd.org
The National Campaign: www.teenpregnancy.org
National Education Association-Health Information Network:http://www.nea.org
Planned Parenthood Federation of America:http://www.plannedparenthood.org.
Sexuality Information and Education Council (SIECUS):http://www.siecus.org.
Society for the Scientific Study of Sexuality: www.ssc.wisc.edu/ssss/
The Alan Guttmacher Institute: www.guttmacher.org