I think you always could be pregnant if you're having unprotected sex. Maybe you should retest with an early pregnancy test a little closer to your period. It's also possible that you're having the dreams because you really want to be pregnant.
Hope you get good news!!
March 2007: Diagnosed with Mild Proctitis - Canasa as needed.
August 2008 - December 2008: FLARE & Anemic - Started Asacol!!
January 2009 - December 2009: REMISSION!! Asacol (9) + Canasa 2x Daily
December 2009 - January 2010: FLARE!! Asacol + Prednisone + Canasa
February 2010 - April 2010: Colazal + Prednisone + Canasa
May 2010 - June 2010: Lialda + Cort Enema + Prednisone : Colonoscopy: Mild / Moderate Active Pancolitis
CURRENT: DOING OK! Prednisone, 6mp, klonopin, Canasa + Vitamin D