How does glow predict periods?

Question

So I finally stopped bleeding from my miscarriage today and I'm going to get hcg checked tomorrow morning....Glow says my period is predicted this week but I don't think that's possible or average? I know everyone is totally different but I'm just wondering if anyone knows how it comes up with the prediction.

Answer

When I first signed up it asked my cycle length and I put in 26 days and it never predicts my ovulation or period correctly. My cycle is actually 23-25 days long. I stay on here for the forums. I use another app to track my cycle and predict O week. I’m not sure how it predicts after a MC.

How does glow predict periods?

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