I have heard the same thing, but I'm not sure about the validity. You should probably consult with your GI and gyno in order to sort out the details.
Currently taking: Humira 40mg/every other week, Zoloft 50 mg/day, vitamins and supplements
Have taken: Cyclosporine, Pentasa/Asacol, Aciphex, Imuran, Sulfasalizine, Cipro & Flagyl, Prednisone, various pain med's, Xanax
Surgeries: Appendectomy 2001, Ileocecotomy 2007