Glow out of whack

Heidi
Anyone had a problem with flow being way out of whack after having a miscarriage? Because of my periods being so far off it has me ovulating next week when I'm putting in all the signs for me to be ovulating within the next day or 2. It's irritating, I thought it would change beaded on the signs you give it. I have the Ovia Fertility app as well and it had me ovulating later in the week until I put in my signs and it updated for tomorrow O.