 [ Symptoms ] first time taking birth control but period is late and unprotected sex am i pregnant  my period came july 4 first time taking the pill so my period is always a 28 day cycle on august 4 my period did not come and i had unprotected sex more than twice that day and for the rest of week i had unprotected sex and my period has not came yet is there a big possibility i am pregnant [ Disease ] any chest pain that occurs in someone that has known coronary disease as you do with the 3 stents should be evaluated by a physician especially if the symptoms are consistent with those occurring before the stents were placed other concerning symptoms are chest pains or discomfort that occur with exertion or stress while there are many causes of chest discomfort please take seriously these symptoms given the past history and talk with your doctor