(Jessica Winter/ The New Yorker) — Megan Gray was eight years old when she got her first period. She was playing hide-and-seek with her older sister and a friend at their friend’s house in suburban Sacramento. She was wearing pink jeans, which she had saved up for a long time to buy. She tied a sweatshirt around her waist to hide  …

(Leslie Young, Jamie Mauracher/ Global News) — Denise Nadalini said she suffered excruciating period pains for more than two decades.

“I had extremely painful periods to the point where I was on the couch in the fetal position, sweating and still, after going to the doctor numerous times, I was told to deal with it with over-the-counter  …

(Saumya Kalya/ The Swaddle) — Long-term exposure to air pollutants can greatly increase the risk of developing dysmenorrhea, a condition in which people experience severe cramps and period pain, according to a new, important study that decodes the role air pollution plays in menstrual cycle function.

Dysmenorrhea is  …