How accurate is glow at predicting the fertility window?

Question

I've noticed that the dates of my fertility window for this month have changed at least twice this week after I enter my ovulation test results- which have all been negative. My fertility window is going on now. I'm wondering if the fertility window dates have been accurate for others?

Answer

I wonder how accurate it is also. It's dead on for my period.

Answer

The more info you give glow- the more accurate it gets. I personally found fertility friend app to be right on for me. Glow was very close but always a little off.

Answer

Glow can't be accurate unless you give it your information. You would need to temp or take an opk to confirm when you ovulate. Then Glow will adjust accordingly. And this is only if your body runs like a clock

Answer

Glow is always wrong for me... it always shows it being earlier than what it really is. Take ovulation tests 
Only way to really know

How accurate is glow at predicting the fertility window?

Let's Glow!

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