Should trans women be allowed to use women-only services?
It's estimated that about 1% of the British population are transgender or gender non-confirming - yet rows about rights for trans people is one of the defining issues society is trying to grapple with right now.
Some women - often radical feminists - believe that 'trans women aren't real women', and can pose a danger to other women and therefore shouldn't be allowed into safe women-only spaces. But trans women say you don't need to be born with a vagina to be a woman.
Rebecca Root, a transgender actor who stars in the BBC comedy Boy Meets Girl, explores the debate for us.