I had unprotected sex on May 6 and took plan b pill the next day which was only about 14 hrs then i had my period earlier than usual when i was suppose to get it around the 20's well i stopped by period before but 2-3 days later i noticed some spotting(light pink) which lasted about 2 days and almost a week after that i am having lower abdominal pain and i am kind of constipated... can you please help i am concerned about this?