post partum period? when did it start?

Jaz • Mom to two beautiful daughters and another on the way!! Happily married for 9.5 yrs.
I'm almost 7wks pp and I think I just got my period!! I had a csection and lochia bleeding stopped at 2.5 weeks.  I'm exclusively bfing - w one nighttime breast milk bottle.  I was hoping for the 6-month w/o period.  Oh well!  Share your stories ladies!