MmMm i have a little problem...?

well first of all I want to thank everyone that answered my questions concerning pregnancy... I want to let you guys know that I AM PREGNANT! :D I'm sooo happy :).. well now i have a question... sorry to be nasty but I just want to know... is it normal to have diarrhea while pregnant? I'm five weeks far?? plzz help.... i need some answers!