I recently had a period and it virtually ended and I had only a tiny bit of brown spotting after 7 days which is a fairly normal length for me. Now my period has started again on the 11th day with red bleeding. This is very abnormal for me and I am worried. A few weeks ago I took the morning after pill. I also had protected intercourse after 9 days. I am not on any contraceptive and my cycle is generally 28days. Could I be pregnant or could something else be wrong?