"no side effects besides being tired the next day, but that might have been from staying up late the night before if you know what i mean ;) and i&#039;m not pregnant and i think i was ovulating! we used the pull out method so that could also be why i&#039;m not preggers. i&#039;ve been terrified all month. get on a regular bc though people. i&#039;m on the pill, but when i had sex i hadn&#039;t taken it for a week so i bought take action."