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Armband Size Guide

Upper arm circumference

How to Measure

  1. 1Wrap a flexible tape measure around your upper arm
  2. 2Measure at the fullest part (mid-bicep)
  3. 3Note in inches or centimeters

Size chart

Size Inches cm
Standard Armband 8.5″ – 15.5″ 21.5 – 39 cm
Extra-Long Armband 12.5″ – 18.5″ 31.5 – 47 cm
Both armbands fit most body types.
Additional bra extenders can be purchased at any store if larger sizing is required.

What if I’m not ovulating?

By Liza Blake

If you’re not ovulating, you should talk to your provider! Finding a provider who’s familiar with charting and reading charts can be particularly useful. They should be able to help you troubleshoot and start the journey to get you back to ovulating. Read this article for some tips on talking to your provider about FAM.

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