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European Championships Munich 2022: Dina Asher-Smith calls for more period sports science

'If it was a men's issue we'd have a million different ways to combat things'

Dina Asher-Smith has called for more research into the effect of periods on performance after her cycle caused her to pull up with cramp at Munich 2022.

Defending champion Asher-Smith initially thought her recovery strategy or hydration may be to blame after she limped out of Tuesday's 100m final.

But, after qualifying fastest for Friday's 200m final, Asher-Smith said "girls' stuff" caused her calf cramp.

"It is a huge topic for women in sport," the Briton told BBC Sport.