4parents.gov: A resource from the Department of Health and Human Services, 4parents.gov offers information on talking to your child, pre-teen, or teen about healthy relationships, waiting to have sex, what happens as he or she grows, and other important topics.
Answer: Answer is a national organization dedicated to providing and promoting comprehensive sexuality education to young people and the adults who teach them.
Advocates for Youth, Parents Sex Ed center: Information and resources to begin talking with your children about sex. Includes sections on Growth and Development, Getting Started: Helping Parents and Children Talk, Other Important Topics in Sex Education and Advice from Parenting Experts.
There’s no place like home . . . for sex education: From Planned Parenthood of Southwestern Oregon, There’s no place like home offers advice for parents on talking about sexual health, with specific information tailored for ages 3-18.