Help plz

💕Tracianne💕 • Sat, Oct 04 2014 • I`m 29 we have 3 girls all together , his daughter and my 2,were ttc #4 , hoping for a baby boy , but don`t matter 😊

Ok I know I'm definitely ovulating now ... But does anyone know why it would be sooo dark ?? Far left 3 days ago .. Far right lastnight