Period products tested with blood for the first time ever

First Period: Age, Signs to Watch for, Symptom Relief, Duration, More

How Do I Use Tampons, Pads, Period Underwear & Menstrual Cups?

No one used actual blood to test period products until now

Tampon testing: the troubled history of period products - Vox

Period Product Absorbency Test Uses Blood for the First Time

Period products tested with blood for the first time ever

Scientists test menstrual products with blood for the first time, and find surprises - The Hindu

Menstrual cups vs. pads and tampons: How do they compare?

Study uses human blood to compare absorption of period products for the first time