What did women use before tampons and pads?
OHSU researchers test menstrual products with blood for the first time - OPB
Study uses human blood to compare absorption of period products for the first time
At Last: Period Products Put to the Blood Test
No One Studied Menstrual Product Absorbency Realistically until Now
What Can I Expect When I Get My Period?
First ever ad to feature period blood has dropped - Yahoo Sports
Tampon testing: the troubled history of period products - Vox
The evolution of menstrual products
First Period Study Using Actual Blood Finds Shocking Discrepancies Across Products
Pune Times Mirror
Harnessing the Power of Periods For A1C Testing
No One Studied Menstrual Product Absorbency Realistically until Now
When Will I Get My First Period? - Signs & Symptoms
