I need a gynecologist to solve my query.

Patient: Sir i me 17ur old girl.my part enter tried to insert his penis in me. But I started paining a lot when it was just 1 can in me.so we stopped.half an hour later I started bleeding.it was my first time of sex.but yesterday bleeding waslittle and it continued till today.there are all symptoms of my periods now.like heavy flow as usually comes on2 and day.and cramps in tunmy and all.so do I have periods or bleeding is due to other reason