Why does it change

Shannon • I have 3 beautiful kids 1 boy and 2 girls ? they are my world and my everything I want to add to my beautiful family?
My ovulation on glow changes all the time .. I put my information in everyday and it changes first it said last week then it said I started today now it's saying I am almost due for a period again my period is irregular but I just had one April 9th and got off the 13th why is the ovulation changing ...... I'm so confused with this app right now