Researchers are finally trying to understand the complex causes of menstrual pain, or dysmenorrhea—and potential solutions.

Period underwear offers a reusable and comfortable alternative to traditional menstrual products. Learn how to choose the safest options, and what to know about cost, comfort, and health. Period ...

A female’s first menstrual period, known as menarche, occurs during puberty. Menstruation indicates that the body is mature enough for reproduction. About 98% of girls begin their periods by age 15.

Period cramps can be debilitating, but you don’t have to suffer in the discomfort of recurrent painful periods. No matter the severity of your cramps, there’s a range of over the counter and ...