Growing into a fully formed human being is a long process, and scientists have found that unborn babies not only hiccup, swallow and stretch in the womb, they yawn too.

Researchers who studied 4D scans of 15 healthy fetuses also said they think yawning is a developmental process which could potentially give doctors a new way to check on a baby's health.

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Filed under: * Culture-Watch • Health & Medicine • Life Ethics • Science & Technology

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