During your teens you go through puberty and become sexually mature. If you're a girl, you develop breasts and begin to get your period. If you're a boy, your penis and testicles become larger. If you have sex, you could get pregnant or get someone pregnant. Whether you choose to have sex or not, it is a good idea to know about safe sex and how sex affects your health. Besides pregnancy, having sex puts you at risk of getting a sexually transmitted disease (STD), such as chlamydia, HPV, or HIV/AIDSThe only way to be completely safe is not to have sex. If you do choose to have any kind of sexual contact, latex condoms are the best protection against STDs. Condoms are also a form of birth control to help prevent pregnancy.
Home Remedies for Prevent Pregnancy
Emergency contraception is to only be used after unprotected sex, not for regular birth control. Emergency contraception that contains the same hormone used in many birth control pills - just at a higher dose. Helps prevent pregnancy. It should not be used as regular birth control because it's not as effective.
Mechanism - hormone
Other than abstinence, the best protection again STI's is a latex condom. Helps prevent pregnancy.
Mechanism - latex barrier, lubricant