More than a quarter of menstruating women and girls around the world - some 500 million people - struggle to manage their periods, often because they cannot afford sanitary pads, according to the World Bank.
New York and California have passed laws requiring disclosure of ingredients on menstrual product packaging. Advocates want more transparency across the U.S.
Advocates want more transparency across the U.S. after New York and California pass laws requiring disclosure of ingredients on menstrual product packaging.