lets just say it lik this: -june 9 had period: -june 23 had unprotected sex for literally 3 sec/ no previous handjobs or bjs, dry penis -july 9 period due=didnt get it -day before messed around again but no sex -july9 woke up with pelvic pain on left n right side n below stomache -today still no period my bf says im not pregnant but i dont know, can someone explain the cause of my late period?? not on birth control