The only 100% effective way to avoid STIs and pregnancy is abstinence (not having sex). For those who are sexually active, latex condoms (used correctly every time) reduce the risk of most STIs and pregnancy, but they are not perfect.
You have now read a factual, respectful guide to puberty and sexual education. Knowledge is not dirty. Your changing body is not shameful. As you move through the 1990s, remember that advertising, music videos, and peer pressure may try to rush you into adult behaviors. You have the right to say “no” to any touch, joke, or activity that makes you uncomfortable. You have the right to wait until you are older—emotionally and physically ready—before becoming sexually active. The only 100% effective way to avoid STIs
: Move beyond "the talk" (biological facts) to include the emotional aspects of growing up. Establish Ground Rules Knowledge is not dirty