Introduction : historiographies of obstetrics -- Diagnostic ultrasound before Thomas Brown -- Ian Donald before ultrasound I : St. Thomas's Hospital and the Royal Air Force -- Ian Donald before ultrasound II : Hammersmith and Glasgow -- A-scope investigations in Glasgow -- The first contact scanner -- The automatic scanner and the diasonograph -- Behind the Iron Curtain : ultrasound and the fetus -- Diffusion, controversy, and commodification -- Ian Donald after ultrasound : contraception and abortion -- Maternity and technology
