I had unprotected sex 4 days before my perio fortunately l got my period as normal. My problem is l had blood coming out on my day 17 of my cycle with cramps and back ache. Is it possible that l am pregnant. Help

Pregnancy is still possible, at this point, you need to wait and see if you get this months period or not.

Most likely you are not, but there is chances. Now it is just a waiting game