If you scan the drinks menu at your local bar, you're very unlikely to see 'Sylvia's Cramp Cocktail'.
But if you're Erica Jarrell-Searcy from the USA women's rugby team and you're on your period, you might want to order one.
This is among the ways teams have been trying to ensure their players are able to perform at the highest level throughout their menstrual cycle.
As the Women's Rugby World Cup takes place over five weeks, the female athletes that reach the final will have competed while managing one or two menstrual cycles.
From encouraging players to fill out daily questionnaires to logging their cycles in an app, BBC Sport looks at how rugby has been tracking periods and why?