I had unprotected sex 5 days after my last period. will i be pregnant?

Plan B: A female who is not on birth control pill, can take plan B after sexual intercourse. Plan B when taken within 24hours, can reduce chance of pregnancy by 95% and 89% if taken within 72hours. There is still some reduction in pregnancy if taken within 5days. In all, please check pregnancy test for delayed or missed menses for reassurance. Good luck.