This fascinating three-part series gives a sympathetic insight into what it means to feel trapped in the wrong body.

In Britain that’s an estimated 130,000 people. With unprecedented access to a private clinic in London, the series introduces us to surgeon Christopher Inglefield and some of his clients.

Ex-soldier Danni is transitioning from male to female and wants surgery to soften her chiselled, masculine facial features, while Lucas, who was born Lauren, is at the clinic with his mum to discuss breast removal.

Contains some graphic scenes of surgery.