HELP!!!

Hey girls, im on the combination pill yazmin & on friday my boyfriend came in me and then this morning i realised that i had forgotten to take the pill yesterday, things say fertility doesn't aleays come back real fast but i worry about everything & my boyfriend and i are  stressing heaps (can't take the morning after pill) & im not due for another 3 weeks, when's the earliest i can take a test????? please help