1Wrap a flexible tape measure around your upper arm
2Measure at the fullest part (mid-bicep)
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 is cervical mucus?
L
By Liza Blake
Updated February 09, 2025
Cervical mucus is a fluid made from glands inside of tiny crypts in the cervical canal. It lubricates the vagina and provides a less-hostile environment for sperm than the natural vaginal environment.