confused help plz xx

Kaylie • Luv my kids! megan, yiannis, jack! Rip dad 20/3/43-09/07/15
im not sure if this is my aunt flo glow says shes not due til 24th aug ive got no cramps but me n oh dtd last night and had pinky discharge snf hsd some today wen wiping but nothing on pad ttc #3 currently 2 days into ky fertile week last period was 26th July lasted 5 days help plz