Since August, Chelsea, who are second in the Women’s Super League, one point behind Manchester City, have designed players’ individual plans around the phases of their menstrual cycle. Initiative has been driven by manager Emma Hayes and understanding more about players' cycles could have huge impact on preventing injuriesĬhelsea Women have become the first football club in the world to tailor their training programme around players’ menstrual cycles in an attempt to enhance performance and cut down on injuries, Telegraph Sport can reveal. Exclusive: Chelsea become first club to tailor training to menstrual cycles