Agony Women On Average, How Many Women In The World Are On Their Periods On Any Given Day?

On average, how many women in the world are on their periods on any given day? - agony women

I know this question may sound serious, but when I cycle in my terror, I wonder how many women had the same thing at the same time I do. lol. I thought I might ask. How many women really are unwell on the day?