Pain persistence during entire intercourse signals a number of problems. It could be an infection, pelvic inflammation, a hormone imbalance or an ovarian cyst. If pain persists, medication such as ibuprofen or naproxen can act on pain. You can try applying a heating pad to your pelvic area. Warm beverages act wonder to relax cramped muscles. But if the pain is not under control and outbreaks every time you have sex, then it is a time to visit a doctor, as a doctor is the right person to diagnose and prescribe the appropriate method for you.