Plus, how you can prevent or ease the pain.
When you look back in history, these "hysteria" symptoms sound an awful lot like endometriosis.
Four women share their experience with the physical and emotional pain of endometriosis.
Plus: What U.S. women really want.
A YouGov/HuffPost France poll found that young adults in France are overwhelmingly in favor of paid menstrual leave. These stories help show why.
"If men got their period, we wouldn't even be having this conversation."
Los Angeles-based sex coach Demetra Nyx is reclaiming the power of her period.
Plus: Sex in the age of internet porn.
“I can’t believe a movie about menstruation just won an Oscar!” Rayka Zehtabchi, director of "Period. End Of Sentence," said during her acceptance speech.
"The Period Game" is geared toward young people of all genders.
Many parents are throwing menarche celebrations for their daughters.
There is no law requiring tampon makers to disclose their ingredients. Yet.
Plus: Meet the black women breaking barriers in the exclusionary world of fine art.
Your disposable period products are made with icky ingredients that could be bad for you and the planet.
The whats and whens of talking to your daughters and sons about menstruation.
Kerala's Sabarimala Temple will be open to all women, regardless of whether they might be on their period.
Made of 100 percent cotton. Period.
For Nadya Okamoto, access to menstrual hygiene is deeply personal.
We deserve the same safety, access and comfort as anyone else who is menstruating.
"No girl should have to miss school because of her period."