Dysmenorrhoeic

Doctors are now able to prescribe drugs known as prostaglandin inhibitors, or anti-prostaglandins, which work by inhibiting excess production of prostaglandin, thereby making dysmenorrhoeic women normal.

It is currently believed that dysmenorrhoeic women have an excessive release of prostaglandins or an excessive sensitivity to their presence.

Obviously her body had decided that it was time for a full-on dysmenorrhoeic horror show, and it had chosen to today to start.