Three different dates for AF

TABITHA • I am happily married and a mother to five children. 1 living daughter, 1 heavenly daughter, 2 heavenly sons and 1 living son.

So my husband and I have been tax for a year this round, (following 3 miscarriages) and I have been using three different apps/sites to track my cycle fertility. All three have the same period information for the past year in them, yet each of them has a different day that I am to start.

Mymonthlycycles.com says that I was supposed to start yesterday 10/22.

Pink pad Pro says that I am to start today 10/23.

Glow says that I am to start on 10/29.

I have noticed that all of these days are within a week. I sidnt feel like i was going to start yesterday, nor fo i today. I tried to keep track of my ovulation with OPKs this month but it was the first time that I had used them so I'm not sure if I read them write. However, we bd on all three of the predicted ovulation dates. So I guess what I really want to know is when should I test provided that AF doesn't come.