England Women's captain Leah Williamson feared that crippling period pain may have ruined her chances of leading the Lionesses to glory at the European Championships.
The Arsenal defender suffers from endometriosis which can make her periods so debilitating that she is left lying in pain on the bathroom floor.
Williamson, 25, told Women’s Health magazine: “Before the Euros I had a concussion, which they say can really impact your next period, and it was bad – like, really bad.