 [ Symptoms ] i occasionally experience pain during sex but i can not figure out why it happens what is wrong with me  i am a nineteen year old female and sometimes during sex i will feel a very sharp pain in both of my sides near my hips the pain moves from there and down all the way to my anus the pain is at about an 710 and is made worse by sitting up it also causes me to become nauseous i do not understand what it is help [ Disease ] i am not an expert but i have a history of pain during intercourse mine was a severe case of endometreosis this is caused by scar tissue building up on our internal organs during our monthly cycle i would definitely check with your obgyn doctor and they should hopefully be able to find what is causing this