- With condom LOW RISK *
- Without condom HIGH RISK, as well as the possibility of pregnancy and other STBBI
* Condoms are not 100% reliable. There is enough evidence of transmission due to condom breakage or improper use to classify this activity as low risk.
Penile-vaginal intercourse without a barrier is a high-risk activity. The majority of documented cases of HIV transmission throughout the world are the result of unprotected penile–vaginal intercourse.