IMPLANTATION BLEEDING OR PERIOD??

Me and my boyfriend had protected sex on Saturday 15th June with a condom and then boyfriend took the condom off , rubbed his penis to get rid of some left over ejaculate and then inserted inside me after (only two strokes, no way near full intercourse).

I told him to remove it cuss i was worried about becoming pregnant..

Within 72 hours we got the morning after pill (Levonelle) to be extra safe and cautious.

I was told my period may be a week early or late and heavier/lighter.

A week before I’m due to start my period, I got this bleeding yesterday morning and I’m confused to wether it could implantation bleeding or just an early period due to the contraceptive pill i took.

PLEASEEEE CAN SOMEONE HELP??