STD stands for sexually transmitted disease. An STD is a disease you can get by having sex with someone who has one. You do not have to have sexual intercourse to get an STD, either. You can get STDs from oral sex, anal sex, or from rubbing naked against someone who is infected. STDs include:
- Gonorrhea
- Chlamydia
- Genital herpes
- Genital warts (HPV)
- Hepatitis B and C
- Syphilis
- HIV/AIDS
- Crabs, or pubic lice
- Trichomoniasis