Venus Williams, one of the most successful tennis stars and decorated athletes in history, has revealed that she has dealt with a painful medical condition most of her life.

Fibroids, noncancerous growths that invade the uterus, are incredibly common — impacting 70% of white women and 80% of Black women before they turn 50.

We had a doubles final to play next, and I was just lying on the floor in the locker room, like, ‘It’s gonna pass. It’s gonna pass,” she said of training at Wimbledon in 2016.