Could The Bleeding After A Few Days Of Ovulation Be Due To Implantation?

I have been trying to conceive. I had intercourese before and on the date of my ovulation and fertile days.About 10 days later I started bleeding light then heavy.For about 4 days.It was 10 days after ovulation and two weeks early from my normal menstrual period.The questions are:could that be implantation bleeding? Could i be pregnant?