New data from 8,700 women shows how underweight and obesity disrupt cycles—and why hitting a BMI sweet spot of 20 could boost fertility and ovulation. Study: Body mass index and menstrual irregularity ...

An analysis of long-term menstrual cycle records kept by 22 women for up to 32 years shows that women with cycles lasting longer than 27 days intermittently synchronized with cycles that affect the ...

During the Women’s FIFA World Cup, it has been wonderful to see the spotlight turn to female athletes. There’s always been more research on male athletes compared to female athletes, but the gap is ...

Editor’s Note: The views expressed in this commentary are solely those of the writers. CNN is showcasing the work of The Conversation, a collaboration between journalists and academics to provide news ...

Let’s take a mental trip back to seventh-grade health class. When you got to the unit on menstruation, you probably learned that people with uteruses typically get their periods once a month or so—but ...

The menstrual cycle can affect energy, hunger, strength, and bodyweight, a personal trainer said. You may feel your most energetic after your period, Hayley Madigan told Insider. In the second half of ...

Natalie Brown is affiliated with Arc'Teryx. Menstruation is often seen as a negative experience, with symptoms that can be disruptive to daily life. Participation in sport and physical activity is ...