It’s no secret that science has a gender problem — most of what we know about human biology comes from research on men, conducted by men.

So, is it really any surprise that so many women grow up knowing surprisingly little about their own bodies?

When a Threads post asked women for the facts they wished they’d learned sooner, the floodgates opened. One woman with a Master’s degree confessed she had no idea ovaries aren’t actually attached to fallopian tubes. Others talked about unlearning body hair shame or discovering basic facts doctors or teachers never bothered to explain.

Understanding the female body isn’t a “girly” topic — it’s essential knowledge for every gender. Whether you want to know about your own health, support loved ones, or unlearn bad advice, these eye-opening answers prove how much we all missed.

Anxiety levels tend to rise prior to ovulation. You’re not THAT crazy- it’s just hormones.

That throwing up and passing out from the period cramps isn't “just part of being a girl”.

Some people believe that gender inequality is a thing of the past… for all kinds of shortsighted reasons. But if they spare a moment to read, there is a glimmer of hope they might understand a bit about what people outside their bubble experience every single day.

The World Economic Forum’s report , released in September, found that global gender parity is 120 years away at the current rate of progress. Across 145 countries, true equality remains out of reach in political power, education, economic opportunity, and — most glaringly — health and survival.