I’m pretty sure the historical rate has been around 4%. Depends on the population, Wikipedia cites 2-12%: https://en.wikipedia.org/wiki/Non-paternity_event http

I’m pretty sure the historical rate has been around 4%. Depends on the population, Wikipedia cites 2-12%: https://en.wikipedia.org/wiki/Non-paternity_event https://en.wikipedia.org/wiki/Non-paternity_event. Wouldn’t be surprised if that study had some kind of confounding variable