sentences:  There is a slight risk for pregnancy and sexually transmitted infections (STIs) with certain non-penetrative sex acts.Pregnancy can still occur with anal sex or other forms of sexual activity where the penis is near the vagina (such as intercrural sex or other genital-genital rubbing) where sperm can be deposited near the entrance of the vagina and can travel along the vagina's lubricating fluids; the risk of pregnancy can also occur without the penis being near the vagina because sperm may be transported to the vaginal opening by the vagina coming in contact with fingers or other non-genital body parts that have come in contact with semen.Like non-exclusive non-penetrative sex acts, STI transmission varies for exclusively non-penetrative sexual activities; some common STIs transmitted through exclusively non-penetrative sex acts, and how they are contracted, are the following