Women are unclean
In some African cultures, girls and women are perceived to be unclean during their periods. Some religions even forbid a woman from coming into places of worship or doing anything for their husbands, fathers, brothers and the priest. Women are alienated during their periods.
Some Christians go by the Torah which states that “Whenever a woman has her menstrual period, she will be ceremonially unclean for seven days. Anyone who touches her during that time will be unclean until evening”.
In the Islamic religion, during menstrual periods, women are excused from performing prayers.