Hi ,my last period was 2mths ago,a few wks after it I had to take morning after pill which obviously delayed the next period ,took 3tests all negative. I had another mistake about 4 wks later and took a second pill about 26 hrs after intercourse, still haven t had a period.the last pill I took was 6days ago now I have breast tenderness a lot of back pain since taking first pill,please help I m very confused.