Period?

MommaOf1👧🏻 • 👧🏼 1-1-17💜💕 👼🏻

So I’m 4 weeks past since I’ve had my Mc..so I’ve been spotting for the last 2 weeks which is expected..what I’m curious about is when will I know my period has started? So I can actually start logging it and calculate when I ovulate again.