Fertility window moving forward

Andy
I just started using glow this month. My  fertility window keeps moving forward each day which is really confusing me. Is it because I haven't had a pos opk yet? I keep logging info in each day so I'm thinking it's moving based on what I enter?!?

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