Menstrual pad - Wikipedia
Sustainable Period Products: How to Make Your Period Better for the Environment
What did women do before pads? - DAME
Menstrual Health and Hygiene
COMMENTARY: Period problems persist but personal responsibility prevails – UHCL The Signal
Period products: what are the options?
The eco gender gap: why is saving the planet seen as women's work?, Green economy
The Impact of Disposable Feminine Hygiene Products on the Environment - Tru Earth
14 best menstrual cups to try – and how to actually use one