Teenwire 
From Planned Parenthood Federation of America. Site with various relationship and sexuality information.
http://www.teenwire.com/Boys Under Attack! 
Resource about male sexuality for teenage boys.
http://members.optusnet.com.au/~austbua/
Scarleteen 
Advice, help and information about teen sexuality. Special sections for teen gals and guys.
http://www.scarleteen.com/
I Wanna Know 
Sexual health and STD prevention information for teens, including chat, education, games, and other resources.
http://www.iwannaknow.org/
Adolescent (Teen) Sexuality 
Answers about sex considering the key who, what, when, where, why and how questions. Issues examined with a pro-life religious perspective in mind.
http://www.etters.net/teen.sexuality.htm
Facts Of Life 
Multifaceted information on teen age sexuality, including the biological and emotional components.
http://www.factsoflife.org.uk/
My Sistahs 
Created by and for young women of color. Provides information on sex, sexuality, and reproductive health.
http://www.mysistahs.org
Coalition for Positive Sexuality 
Intended to give teens the information they need to take care of themselves and affirm their decisions about sex and reproductive control.
http://www.positive.org/
Cool Nurse 
Information for teens on sex, birth control, STDs, fitness and nutrition, mental health, substance abuse, stress management, looking good, discussion forum, and shopping.
http://www.coolnurse.com/
Sexwise 
Find local services, facts about contraception, sexually transmitted infections, abortion and links to other useful sites.
http://www.ruthinking.co.uk/
Sex Facts for Teens 
Information for teens on sex, homosexuality, and abuse. From the Daniel Trust Ministries.
http://www.daniel-trust-ministries.org/teen
TeenZone 
Provides sexuality information for teens in a useful manner.
http://www.actionhealthinc.org/teenzone/teens.htm
Peer to Peer 
Supports the Stop, Think, Be Safe program - an STD prevention initiative for youth ages 12 to 15. Provides youth, parents, and teachers with information about STDs and effective strategies for prevention.
http://www.stopthinkbesafe.org
Spiderbytes : A New Spin on Sexual Health for Teens 
Topics include puberty, sexual health, sexuality, sex, and relationships.
http://www.spiderbytes.ca
Are You a Teenage Daddy? 
Discussion of the emotional and other importance of a father in every child's life. Teenage sexuality can lead to the exclusion of the father's proper responsibilities.
http://daniel-trust-ministries.org/boyteens/
Puberty 101 
Uses questions asked by teens to provide information about the various aspects of puberty.
http://www.puberty101.com/
Teen Sexuality 
Links to resources for various sexuality issues and contraception.
http://depts.washington.edu/thmedia/view.cgi?section=teensex
Like It Is 
About sex and other adolescent issues, for UK teenagers. Topics include puberty, peer pressure, contraception, and sexually transmitted diseases. Includes a glossary of sexual terms and expressions.
http://www.likeitis.org.uk/
L8r 
E-drama project exploring the issues around teenage pregnancy, sex, relationships, alcohol, and peer pressure. Interactive features allows user to explore options.
http://www.l8r.uk.net/
Teen Puberty 
Contains answers to hard questions, including male and female puberty information, diagrams, STD, drugs, and general health.
http://www.teenpuberty.com/
Entertainment Meets Sexual Health 
Provides hints, tips, and FAQs for staying safe in a sexual relationship.
http://www.drrachael.com/
CFOC - Teen Guide 
Ask the "sexpert" and other teen sexuality resources.
http://www.cfoc.org/TeenGuide/
The Hormone Factory 
Fun and interactive site for kids about to enter their teens. Explains how their bodies will change and answers questions about sex, families and keeping safe.[Requires Flash]
http://www.thehormonefactory.com/
Avert: Young People's Section 
Comprehensive information about puberty, safe sex, STDs, and AIDS, as well as issues related to homosexuality in teens of both sexes.
http://www.avert.org/yngindx.htm
My First Bra 
A guide for preteen bras and issues surrounding puberty and breast development in young girls ages 9-16.
http://www.myfirstbra.us
Teen Sex Education: Teen Source 
Has sexual health educational videos, STD symptoms and pictures, teen birth control information, and teen sex advice.
http://www.teensource.org
Teen Sex and Sexuality 
Teens and parents learn to talk about sex and their sexuality. Provides information on teen pregnancies, menstruation, puberty, and AIDs.
http://parentingteens.about.com/od/teensexuality/
The InSite 
Information about reproduction, birth control options, sexually transmitted diseases and relationships. Also includes letters from other teens.
http://www.theinsite.org/
The Word 
Information for teens on relationships, being safe, body changes, Q and A and advice from other teens. Includes glossary and contact information for health and help services in New Zealand.
http://www.theword.org.nz/
Growing Up in the Lord: A Study for Teenage Boys 
Offers a Christian perspective on sexuality for teen boys. Includes explanations and biblical references about bodily changes, sex, lust, proper attire, dating, and unacceptable behaviors.
http://lavistachurchofchrist.org/LVstudies/GrowingUpInTheLord/Boys/GrowingUp.htm
Growing Up in the Lord: A Study for Teenage Girls 
Offers a Christian perspective on sexuality for teen girls. Includes explanations and biblical references about bodily changes, sex, lust, proper attire, dating, and unacceptable behaviors.
http://lavistachurchofchrist.org/LVstudies/GrowingUpInTheLord/Girls/GrowingUp.htm
AWARE: Teens 
Abstinence Wait-training And Relationship Education offers information for teens on healthy sexual behavior. Includes abstinence, sexually transmitted diseases, FAQs, and answers to personal questions by email.
http://www.awareprogram.net/
It's Your Sex Life 
An informational health resource for teens looking for answers about safe sex and protecting themselves from disease and unwanted pregnancy.
http://www.mtv.com/thinkmtv/sexual_health/
Teensexuality.org 
Information site for teens and college students on sexuality issues.
http://teensexuality.student.com/
Sexualityandu.ca : Teens 
Questions and answers about body changes, sexuality, sex, contraception, STDs, and relationships.
http://www.sexualityandu.ca/teens/
Sex, Etc. 
Advice for teens about sex, love and relationships, teen pregnancy, birth control, condoms, smoking, alcohol, and drugs. Published by Answer at Rutgers University.
http://www.sexetc.org/
In the Mix: Sex: Everyone's Doin' It...Not! 
Online companion to the PBS special of the same title features resources, information, advice, video clips, and polls.
http://www.pbs.org/inthemix/shows/show_sex.html
Kotex: Talking to teens about sex 
Puberty and sex education material for teens, parents and educators, including message boards to chat with others.
http://www.kotex.com/na/info/talkingtoteens/eduKitInfo.asp
SHine SA Youth Online 
Australian teenagers present videos, information and advice on sexual health issues. Includes FAQ on common problems, as well as leaflets and games to help understanding.
http://www.shinesa.org.au/go/youth-online
Guttmacher Institute: Adolescents 
Has fact sheets on sex education in various countries and American teens' sexual and reproductive health.
http://www.guttmacher.org/sections/adolescents.php
Teens talking to teens about sex 
Initiative of Planned ParentHood of Toronto provides forums for youth to access healthy sexuality information. Includes program details and contact information.
http://www.ppt.on.ca/teenprogram.asp
My Body & Me 
Information for teens about sex, contraception, sexually transmitted infections, and body image.
http://www.med.nyu.edu/sti/