"Chris Fortey took a knock on the shoulder and it's muscular damage from the collision he took, " added Ruddock.

BBC: Latham sidelined for four weeks

One possible explanation is that melatonin - a hormone produced at night - is suppressed in those working night shifts, having knock-on effects on oestrogen regulation in the body and protection against DNA damage.

BBC: 'Night shift link' to ovarian cancer

Mostly the debate centred on whether women should engage in a sport, the main purpose of which is to inflict damage on your opponent and, in the professional game, possibility to knock the other person unconscious.

BBC: Women in boxing over the years