Allow Women to have temporary paid sick leave when suffering from Menstrual Pain

For far too long, women across the Country (and quite possibly the Globe) have been expected to perform whilst at work despite being in agonising pain due to their Menstrual Cycle and Endometriosis.
This is a natural monthly cycle that can cause excruciating physical pain and hormonal imbalances that often impacts those suffering with their daily activities, including going to work. More often than not, over the counter pain relief is not sufficient.