cd8 and bleeding??

[mummy2_1]

Hi, cycle 2 ttc#2. Af cd1,2,4 (non on cd3), today cd8 and bleeding not heavy but small flow over an hour now. Last cycle was 33days. O'ed cd12-18 (unsure of.exact) is it left over??? I normally have af for 4days but understand my body is still getting used to no Bc.

Just after advise??