Detailed images of baby heart inside the womb

Researchers have produced unprecedented images of a baby's heart while it is still inside the womb.

Pregnant women were scanned in an MRI machine and powerful computers built 3D models of the tiny beating hearts inside their unborn children.

The team at King's College London and Guy's and St Thomas's says it will improve the care of babies with congenital heart disease.

The researchers say their approach could easily be adopted by hospitals.

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