Some years ago, I wrote about a store called Transformations in London, where men who wished to dress as women could shop. Not only were there corsets, wigs and ball gowns on display, but also pills that promised to ‘produce the symptoms of pre-menstrual tension’.

The idea that anyone would want to feel depressed, bloated and sore flummoxed me at first, until I realised that the pills would merely act as a placebo in order to add a little frisson to the experience of cross-dressing. How long ago this seems.

Today, we are told “men have periods, too” and “not all menstruators are women”. Take Kenny, a transgender man, chosen to front the I’m On campaign by period subscription box company Pink Parcel last year, which aimed to destigmatise menstruation.

Kenny had not had a period for seven years, as a result of taking testosterone – the primary sex hormone in men. Kenny says he felt ‘shame and embarrassment’ at having periods while living as a man, so why have him front an anti-stigma campaign? Having a trans man head up any campaign about menstruation is akin to having a gay man who has “chosen” to go straight being a front for an education campaign about homophobia.