Period confusion?

Hailey • Mother of 3 amazing children! 👦 03/04/10 👧 04/29/12 👶 01/07/16 ❤️️
I had an IUD removed 2 months ago,
Had my first period on January 14-16, second February 14-16, so far seems regular, but this app is saying my period is due the 12th, why would that be??
Any insight would be appreciated.
Thank you!