This is your chance to learn about your fertility!


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Learn the science, morality & basis for the SymptoThermal Method in an online class.


  • Downloadable files including student guide and CCL charts
  • 5-month subscription of PeakDay app
  • Expert help and individual support

Looking for articles and inspiration about using NFP?

Sign up for the CCL weekly e-newsletter or check out the CCL blog


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Get additional support from a fertility coach

A one-on-one coaching session may be right for you! The FSI Coaches specialize in individualized support.

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Track your cycle with the PeakDay app

Same great method, now track your fertility with ease using the new PeakDay App!

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Find a FABM expert or medical provider

The FSI Directory is your one stop shop for finding fertility experts and medical professionals.

Interested in finding out more or just have some questions?

Our support staff is available by phone or email M-F from 9 AM - 4 PM EST
Call us at (800) 745-8252 or at

Contact Information

The Couple to Couple League International, Inc.
5440 Moeller Avenue Suite 149
Cincinnati, OH 45212

Hours: 8:30 - 4:30 Eastern M-F

By calling or texting the phone numbers above, you agree to receive non-marketing text messages from our staff.  If you no longer wish to receive text messages, you may opt-out at any time by contacting the office.


Phone: (513) 471-2000
Toll free: (800) 745-8252
Español:  (800) 214-6028
Fax: (800) 745-8252

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