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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 happens if I have PMOS (PCOS)?

By Tempdrop team

Polyendocrine Metabolic Ovarian Syndrome (PMOS, formerly PCOS) can cause rocky temperature trends due to hormone imbalances. The effect on temperature varies from one woman to another. 

The good news is that Tempdrop will be able to detect your true nightly sleeping temperature and give you the clearest and most accurate temperature readings you can possibly get. This way, you will be able to keep track of whether or not you have ovulated.

To learn more about the benefits of charting your temperature, even if you have been diagnosed with PMOS, frequently referred to as PCOS, you can read more here.

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