Why is glow saying I ovulated on CD 20? According to my OPKs, cervix position and FF chart, I ovulated on CD 17. I thought your temp had to be elevated for 3 days or more to determine ovulation, so how can it predict that I ovulated the day before?

Tianna

Glow Resources

Let’s Glow

Glow is here for you on your path to pregnancy

Glow helps you navigate your fertility journey with smart tools, personalized insights, and guidance from medical experts who understand what matters most.

25+ million

Users

4.8 stars

200k+ app ratings

20+

Medical advisors