Sir Keir Starmer says it is "not right" to say only women have a cervix amid a row involving one of his MPs.
Rosie Duffield came under fire after supporting online criticism of a tweet, which referred to "individuals with a cervix" to be inclusive of trans men.
The incident was called transphobic by trans rights supporters - but Labour MP Ms Duffield rejects the claim.
Asked about the row, Sir Keir said claiming only women have cervixes was "something that shouldn't be said".
But Health Secretary Sajid Javid attacked the Labour leader, saying his remarks were a "total denial of scientific fact".
https://www.bbc.co.uk/news/uk-politics-58698406
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It's ****ing unbelievable