I had the vaginal ultrasound done to check on a pregnancy. It seemed to be pretty effective in pinpointing all of the problems I was having. It wasn't terribly uncomfortable(compared with the pain I was having at the time), but I obviously can't speak for the rectal one...I would ask for some sort of painkiller if it's possible.
20 years old, Diagnosed with moderate to severe Crohn's and Colitis in May of 2008.
Prednisone 20 mg, pentasa 2 pills 4x a day, bentyl as needed, omeprazole in the morning, multivitamin, humira every other week, and good probiotics.
Surgery for ectopic pregnancy most likely the result of severe Crohn's inflammation in July of 2008.
Attempting a diet without refined sugars, high fat content, bleached or bromated flour, most dairy, red meat, and avoiding anything spicy like the plague. Also refuse to eat anything with trans fat or high fructose/corn syrup.
"He who has a why to live for can bear with almost any how."