Safe Pleasure: Understanding STI Risks with Sex Toys and the Importance of STD Testing in Southington, CT Can You Catch STDs From Sex Toys? Home STD Tests myLAB Box Peeing after penetrative or oral sex can help reduce your risk for a utinary tract infection, UTI. UTI occur when bacteria enters your utinary tract, typically through your urethra and travels to Pelvic Inflammatory Disease (PID) Infection of the female reproductive organs Causes lower belly pain, fever, unusual discharge Can lead to infertility if untreated Often caused by STIs