Jameela Jamil and Jonathan Van Ness are among the celebrities who have taken the author to task.
“‘People who menstruate.'”
Rowling wrote in reply.

J.K. Rowling.Karwai Tang/WireImage
“I’m sure there used to be a word for those people.
Someone help me out.
The author elaborated on her point in subsequent tweets.
“If sex isn’t real, there’s no same-sex attraction,” she wrote.
“If sex isn’t real, the lived reality of women globally is erased.
It isn’t hate to speak the truth.
The actress made her comment while retweeting aGoFundMe campaignthat benefits black trans women living in Atlanta.
“Trans women are women,“wrote Van Ness.
“Trans Black people & trans non-Black people are discriminated against every single day.
We’re fighting for Black people & trans people and you’re doing this?”
“Dress however you c’mon,” the author wrote.
“Call yourself whatever you like.
Sleep with any consenting adult who’ll have you.
Live your best life in peace and security.
But force women out of their jobs for stating that sex is real?”