The voice is that of the unborn child. It says: "Hi, my name's Maisie, Rose or Pauline. A rubbish name isn't all the folks might give me. There's this faulty gene and if mum or dad has it, there's a 50:50 chance it could be passed onto me."
The ad uses CGI to recreate a 4D ultrasound taken of a real baby inside their mother at 40 weeks.
Brand: British Heart Foundation
Agency: Grey London