Home / Community / OPK & Ovulation Help

Predicted ovulation day is today

Sarah • Fri, Jul 12

I’m on cd17 and I BD on cd13,cd15, and cd16. Today is my predicted ovulation day. I typically do ovulate on cd 16 or 17 but wanted to know why my opk test would be negative today? Thanks for all your help!

Comment

You

Add Comment

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.

See Our Editorial Standards

25+ million

Users

4.8 stars

200k+ app ratings

20+

Medical advisors

Predicted ovulation day is today

Let’s Glow

Glow is here for you on your path to pregnancy

25+ million

4.8 stars

20+

Getting Pregnant

Pregnancy

1st Year (Baby & You)

Baby Products