Home / Community / General TTC (no pregnancy tests!)

first time opk user here!!

Ashley • Fri, Mar 10

Ok, so today is my last day of my period (thank the lord)! I will be using opk for the first time ever this month. I have a normal cycle of 29-30 days. Flow says my fertile window is the 17-22. When should I start the opk?

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

first time opk user here!!

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