Home / Community / OPK & Ovulation Help

Opk advice

Jen • Sun, Dec 24

How many days after af is over do you start using the opk’s. I heard it is different for each person depending on the length of your cycle. Is that right? My usual cycle is around 41 days, when should I start using them? Thank you.

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

Opk advice

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