The First Day Of My Menstrual Cycle Was October 6.

The first day of my menstrual cycle was October 6. I am still waiting for my period this month. I had sex on October 29, in which my husband and I don't remember if he finish in me or at all . I had an abortion in August. Prior to the abortion, I had he essure procedure about a year ago. I have taken 3 preganancies exams in which they were negstive. Am I pregnant?