Help app will not save my cycle day

Amanda • Mom of two #1 I.V.F Loss/fail TTC I.V.F #2
And My fertile days rate was up to 15% 20% and all went to 1 % before day 14 every day is 1 % something happen! Any ones app messing up, everything else is fine I signed out and Temps are save Intercourse days and all meds, can anyone help