Pollsters know they have a problem. But they aren’t sure they’ve fixed it in time for the November election. Since Donald Trump’s unexpected 2016 victory, pre-election polls have consistently understated support for Republican candidates, compared to the votes ultimately cast.

According to an online survey from WPA Intelligence, nearly one in four Democratic voters believe that men can get pregnant. The percentage rose when only including women and shot up to an astonishing 36% of white, college-educated female Democrats who believe men can get pregnant.