Nurture keeps changing my due date...

THE Brittany 🦄 • Railroad Wife 🚂 Mommy to Ava Grace (11/28/15) Colton David (3/15/19) #3 (our angel 👼🏻) #4 Layla Rose (10/28/21) and #5 loading 👀
I've changed it at least 3 times. It also keeps putting my pre pregnancy weight at 200 pounds (I was only 130...) I've tried deleting the app but I keep getting December 9 as my due date. Why?!?