There's a whole subreddit dedicated to laughing at all the people who are clueless at how girls work, and it's gold. Created in 2018, it already has over 230k members who are constantly sharing the dumbest and most ignorant things they've read about the female body. And believe me, there are plenty of them. Some have no idea why women can't cancel their periods, and others... Well, just continue scrolling and see for yourself.
More info: r/NotHowGirlsWork