Teen Sexual Health

Source: MedlinePlus Health Topics, U.S. National Library of Medicine

Last synced 8/7/2026Status: primary verified

What is teen sexual health? Teen sexual health is about how sex affects your physical and emotional health. It means knowing how to form healthy relationships and making decisions about sex that are right for you. As your body changes during puberty , how you think, feel, and interact with others also changes. You may have new feelings and thoughts about sex. Understanding who you're becoming as a sexual young adult is also part of teen sexual health. For all teens, taking responsibility for sexual health is part of growing up. Whether you choose to have sex or wait, responsibility includes knowing about: Sexually transmitted infections (STIs) Birth control What a healthy relationship is What are sexually transmitted infections (STIs)? Sexually transmitted infections (STIs), or sexually transmitted diseases (STDs), are caused by bacteria , viruses , and parasites that spread from person to person, usually during vaginal, oral, or anal sex. Some STIs are spread by skin-to-skin contact. Without treatment, some STIs can cause long-term health problems. There are more than 20 types of STIs, including: Chlamydia Genital herpes Gonorrhea HIV HPV (human papillomavirus) Pubic lice Syphilis Trichomoniasis STIs don't always cause symptoms. So it is possible to have an infection without knowing it and then pass it on to someone else. The only way to know for sure whether you have an STI is to get tested . How can I reduce my chances of getting a sexually transmitted infection (STI)? The most reliable way to avoid infection is to not have vaginal, oral, or anal sex. Saying "no" to sex is the right choice for many teens. If you decide to have sex, "safer sex" practices will lower your chance of getting an STI. They include: Talking with your partner about preventing STIs and getting tested before having sex. If you can't talk about STIs, you aren't ready to have sex. Getting the HPV vaccine. You can be vaccinated between ages 9 and 26. Using condoms correctly every time you have

Educational only

This information is for general education and is not medical advice. Always talk to a licensed U.S. clinician about your situation, medications, or treatment decisions.