Video: In Depth

Womb with a view shows unique slice of twins' life (2:49) 

You might expect twins to share the womb happily during their mother's pregnancy, but striking new MRI images show fetal life isn't quite so harmonious. Used by London doctors, the scanning method also offers improved medical diagnosis for sufferers of twin-to-twin transfusion syndrome, a potentially life-threatening condition. Jim Drury has more. ( Transcript )

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