Menstruation is the most visible phase of the menstrual cycle and its beginning is used as the marker between cycles. The first day of menstrual bleeding is the date used for the last …

Explore our new research on period poverty and stigma for U.S. students and learn how to become an advocate in your community. We author stigma-busting educational curriculum and …

Jul 4, 2025 · If you browse TikTok, Twitter, or Instagram Reels, you’ll see two power-words everywhere: period and periodt. Both shout, “That’s final—end of discussion!” but each adds …

Period poverty has its roots in lack of resources, marginalization, racism, sexism, misogyny, resistance to change, cultural norms. It is essential for everyone to talk about this to reduce …

It's not about us. It's about all of us and the amazing change we can make together. Period.

Are you ready to take action against period poverty and stigma? We believe period chapter leaders are experts in their own communities - working to build community relationships, …

Menstruation — aka having your period — is when blood and tissue from your uterus comes out of your vagina. It usually happens once every month.

period, epoch, era, age mean a division of time. period may designate an extent of time of any length. epoch applies to a period begun or set off by some significant or striking quality, …

Created in partnership with PERIOD. and Madami, this holistic glossary celebrates the diversity of terms to describe menstrual experiences and the different strands of education, activism, and …