I have been having painful intercourse and had an ultrasound done and everything seems to be normal. what else can be causing the pain ?

Painful intercourse: Painful intercourse is an oxymoron - sex should always be pleasurable. There are conditions associated with dyspareunia ("painful sex") in women; the one that comes to mind most often is "interstitial cystitis;" don't know everything about it, tx options are limited; but the diagnosis can be made relatively easily. By the way, do you have an iud or something else to explain the pain. See a gu.

Please: Ask your gynecologist to order ct or MRI to evaluate for pelvic congestion syndrome. Look this syndrome up at sirweb.Org.