Super Frustrating!!

Angel • My Husband and I have been married since Jan 15, 2015. We are pregnant with our 3rd and last baby (2nd together). We have a 3 year old daughter a 16 year old daughter from a pervious relationship and he has a 14 year old daughter from a pervious relations

So it seemed that I had everything in line and well charted and mapped. Tested opk positive on CD19 so BD'ed. CD 20 BD'ed again noticed light pink discharge when wiping. Well here I am CD 21 and full on bleeding so calling it my period

:( So I think my OPK testing was picking up my surge because my period was about to start.

Totally thinking I ovulate very soon after my period. So I have input all my new data and will see what next month brings. Says fertile window 9th-15th with ovulating on the 14th. So I will begin OPK testing right after I stop bleeding....anyone ever had this happen?! What's your thoughts ladies?