12 "common" sexual positions (we aren't so sure about #5) After a total hip replacement, patients run the risk of impingement -- when there and the socket is slightly different after surgery and it can cause significant pain. Expert advice on sex and a how-to on popular positions People with hip osteoarthritis often experience deep pain at the front of their groin as well as at the or for a certain period of time after surgery ; Woman lies on her back on the edge of the bed. Gut feeling: What's your stomach ache telling you? 3. A guide to sex positions that are safe after either a hip or knee replacement. level with or below the hip. Does not cross the belly button (the body's midpoint) Take a mild pain medication about 20 to 30 minutes before sex. This can help.