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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.

Fertility Q&A

What am I looking for in my chart to confirm ovulation?

basal body temperature

What am I looking for in my chart to confirm ovulation?

To confirm ovulation you are looking for two key things, at a basic level:  A sustained temperature increase. A change in your cervical mucus patterns. A sustained temperature increase:  Your...

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Fertility Awareness

What fertility awareness methods are available?

There are plenty of fertility awareness methods (FAMs) out there. We recommend sympto-thermal methods (tracking symptoms and temperature) because of their high efficacy and structured protocol arou...

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Fertility Awareness

How do I learn fertility awareness?

You can learn your chosen fertility awareness method through a variety of mediums: instructor, online course, or book/manual (reach out to us to Get Your FREE Fertility Awareness Starter Guide). Ho...

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basal body temperature

What can you learn about your hormones in the luteal phase?

How can tracking BBT in the luteal phase provide insights into a woman's hormones and overall health? During the luteal phase (that's the second half of your cycle, post-ovulation), your basal body...

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basal body temperature

Ovulation Confirmed - How?

You may be confused about how you can confirm ovulation. Whether you are using Tempdrop in manual mode or using Tempdrop’s premium subscription, here are some tips to help you understand what to lo...

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basics

What Is Tempdrop Academy?

Tempdrop Academy is a series of educational lessons, available in the Tempdrop app, to help you learn about your own body and fertility.   It’s designed to help you understand how to start using fe...

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cervical mucus

Why should I track other symptoms?

Adding your cervical mucus (also known as cervical fluid) observations to the Tempdrop app will help you to identify your fertile window in real-time. The quality of cervical mucus increases as you...

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fertility

What is the fertile window?

The fertile window is the time in a woman's menstrual cycle when she is most likely to get pregnant. When you're tracking your menstrual cycle, no matter your intentions, the fertile window is one ...

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basal body temperature

What is Basal Body Temperature?

Basal Body Temperature (or BBT) is defined as the lowest natural, non-pathologic body temperature recorded after a period of rest. It is your base temperature at rest, usually reached during deep s...

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basal body temperature

Where Can I Learn More About My Body And My Cycle?

If you’re just starting out with tracking your cycle and using Tempdrop you may be feeling overwhelmed. That’s why we’ve put together Tempdrop Academy. We also have free resources available on our ...

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