Infections can be passed on even if the penis doesn't fully enter the vagina or the man doesn't ejaculate (come). If a condom is not used, there's a risk of pregnancy and getting or passing on STIs, including: This is when a man's penis enters a woman's vagina. Learn about the risks associated with various sexual activities. In nearly every case, condoms will help protect you against this risk. Find out about the risks of getting a sexually transmitted infection (STI) from different sexual activities.
