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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.

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  1. Lesson 1An introduction to Tempdrop's Fertility Education Program and how you can start using fertility awareness methods.
  2. Lesson 2Learn about the different phases of your menstrual cycle and what these phases, including your period, should ‘typically’ be like.
  3. Lesson 3Learn about the key hormones produced during the menstrual cycle and how they impact your fertility, including pregnancy.
  4. Lesson 4Learn how to understand your temperatures and chart your fertility biomarkers to identify your fertile window.
  5. Lesson 5Learn how to observe and track your cervical mucus to identify your fertile window.
  6. Lesson 6Discover how to optimize your chances of conception by understanding fertilization, implantation, and preparing your body for pregnancy.
  7. Lesson 7Learn what changes to expect in your cycles after stopping hormonal birth control and gain tips to support your fertility health.
  8. Lesson 8Learn how to assess the health of your menstrual period and access practical strategies to make positive changes.
  9. Lesson 9Explore how to align your diet, exercise, and lifestyle with your cycle phases to better support your body’s needs.
  10. Lesson 10Learn how to confidently troubleshoot your cycles, when addressing issues related to Basal Body Temperature (BBT) tracking.