‘Many of you may know about these rooms,’ Jamshedji said, turning to address the room. ‘Binamazi, the Zoroastrian tradition of seclusion for women during menses, likely originated during the Yazdani era, 1200 years ago. Orthodox Parsis still practise this archaic custom to an extreme, forcing women to avoid cleansing themselves properly for the entire menstrual period, plus two more days.’