About stats.
I recall reading many years ago that in the USA during the height of WW2...the highest percentage of people in hospitals were young women in their 20's and 30's. There was a meeting where doctors were puzzling over these stats and trying to figure out why this was, most of the docs figured there must be something wrong with the way the stats were determined. A young woman nurse happened to come in to the room where the meeting was taking place and overheard some of the conversation that the baffled docs were having. She spoke up ...and said...more young women were in hospital for the very good reason that young women get pregnant...and male soldiers don't .
The docs discussing the matter happened to be all male and I'm sure it was an ...aha moment...for them.