Hello i had unprotected sex last june 17 after couple of hour i took emergency contraception pill, and got my withdrawal bleeding last june 24 for 3 to 5 days, and now its almost 14 days after my withdrawal bleeding im having cramps and lower back pains is there a possibility that i am pregnant? When will my regular period come? And i took home pregnancy test last july 12 and it came negative, Thanks in advance!