Hi! I'll try to cut this as short as I can...I have been off of birth control (Aviane) for about 4 months, my partner and I are not really TTC but if it happens, it happens. Ever since, I've tracked my periods and they've been consistently between 26 and 28 days since I've been off the Pill. Last month my period was due on April 21st, while we were on vacation. I didn't want to get my period while in paradise (who would?!) so I brought an unfinished pack of pills with me.