The hand-held device uses ultrasound to check for a baby's heartbeat and is based on the same technology used by hospitals to screen for foetal abnormalities. Called Babycom, the monitor enables ...

Problems were first detected when Kirbi-Lea Pettitt went for a routine ultrasound scan 20 weeks into her pregnancy. She then took part in the study to look at her baby's heart in vivid detail.

A baby born with her heart outside her body ... Naomi said: "It was a real shock when the ultrasound showed that her heart was outside her chest and scary because we didn't know what would happen." ...