hi, i had my last period on the 2nd of march then had unprotected sex on the 17th, took postinor 2 the following morning both pills at once. a week after i had brown discharge for about 5 days. my periods were meant to come on the 29 they never did and on the 1st of april i had unprotected sex again, took the postinor 2 again on the 2nd. on 3rd morning i had a pregnancy test 6 days late and it was negative today i am 8days late and still no period?? please advice