prednisone HOME › Hot Topics › Girl Zone › Personal Experiences – Just Let It Out! › prednisone This topic has 1 reply, 1 voice, and was last updated by . Viewing 2 posts - 1 through 2 (of 2 total) Author Posts May 27, 2005 at 12:09 am #8066 Anonymous hi there, does anyone know if "Prednisone" affect your menstrual cycle?? i’m two days late. Last night, i took a pregnancy test(First Response; never use this test before) and it was negative. any advice will be greatly appreciated. :ermm: May 28, 2005 at 9:58 am #8111 aprilmarie0204 Yes, it can cause late or missed periods, so i the test said negative you probab;y arent pg. GL. April Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Personal Experiences – Just Let It Out!’ is closed to new topics and replies.