Approximately half of athletes who menstruate are using a hormonal contraceptive. How does using hormonal birth control affect athletic performance? We asked the experts to break down what we know - and don't know - about hormonal contraceptives for endurance athletes.
Check out Megan Janssen's author page.
It's worth considering what we know about oral contraceptives and running. Here's a look at the pros and cons from a runner's perspective.