Periods and football are two things rarely, if ever, mentioned in the same sentence.

Still a taboo subject, many people will still ask – in 2018 – what periods have got to do with the sport.

But with more than a quarter of Premier League fans women, it has never been more relevant than it is now.

So, with that in mind, meet Orlaith Duffy, Erin Slaven and Mikaela McKinley – three Celtic fans behind the ‘On The Ball’ campaign to get free sanitary products in football grounds around the UK.  More