App is giving me conflicting dates!

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I’m so confused... yesterday the app told me I was 4w6d. But, it also told me I was 5w exactly. This morning when I logged in, it said I was 6 weeks. What???

In the calendar section, it shows me finishing my 5th week. But from the home screen it shows me as 5 weeks exactly- today.

How can my baby possibly be so many different ages??!? 🥴