I have pain in my lower abdominal after I masturbate and when I do not masturbate my lower abdominal start felling like heavy pain when standing etc I have tested for ultrasound but nothing found. Do you masturbate on a daily basis? Yes Do you masturbate more than once a day? No Do you prefer masturbation over sex? No Can you imagine yourself going a week without masturbating? Yes How long do your masturbation sessions typically last? 60 seconds.