Unprotected sex, no ejac, took plan b 2 hours later, 3 weeks ago. now i have 9 day late period. i have cramps, but 2 negative preg tests. am i preg?

Unlikely: Plan B is 95% effective if taken within the first 24 hours but it does cause irregular bleeding.3weeks later, if your pregnancy test is negative, it is unlikely that you r pregnant. To be absolutely sure, you could repeat the test 3-5 days after the last. This is a good time to get in and get started on a more reliable method of contraception to save yourself this worry in the future. Good luck.