TMI.. IS THIS IMPLANTATION BLEEDING??

Jamie • Im 19.. I have an almost two year old little girl.. I have been diagnosed with PCOS. We are trying for baby #2

I ovulated on the 9/21. I am not suppose to start my period until 10/6. I am cramping in my tummy and a little bit in my lower back on my right side. The cramps are extremely mild! Was wondering if this looks like implantation?

(SO and I did have intercourse last night but I have never bled due to sex before)