Short answer: The risk of pregnancy appears to be very low in this situation. For pregnancy to occur, sperm needs to reach the vagina relatively fresh and directly; dry surfaces, time spent on surfaces, and handwashing significantly reduce sperm viability. The risk of sexually transmitted infections (STIs) through indirect contact is also generally low, but you should consult a sexual health or gynecology specialist if your partner has a known infection or if you develop abnormal discharge, itching, pain, or fever later. If your concerns persist or the event is recent, you can consult a gynecology/reproductive health or sexual health (STD) clinic for risk assessment and testing if necessary. Seek emergency medical attention if you experience any of the following: severe vaginal bleeding, severe pelvic pain, high fever, or symptoms that worsen rapidly.