Based on the 1988 David Cronenberg film, the new six-part TV series Dead Ringers tells the story of identical twin doctors - played by Rachel Weisz - as they explore innovations in childbirth and fertility.

In this bonus episode of the podcast, our TV columnist Bethan Ackerley speaks to the show's lead writer, Alice Birch, about how she took on Cronenberg’s twisted tale, why it was important to include graphic and realistic depictions of birth in the series, and about the emerging medical technologies that play a part in the show.

To read about subjects like this and much more, you can subscribe to New Scientist magazine at newscientist.com.

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