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Irish Wedding News

03/05/2017

Fetuses Selectively Respond In Third Trimester - Research

Fetuses selectively respond to external tactile stimulation, particularly in the third trimester, according to new findings.

Researchers used three-dimensional ultrasound videos, to watch how unborn children reacted to different people touching their mother's abdomen.

They analysed the behavioural responses of 28 fetuses recorded frame-by-fame during the touch of the mother, the father, a stranger and in controlled condtions with no touch.

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Fetuses in the third trimester touched the uterus wall significantly longer than fetuses in the second trimester, when the mother touched compared to the control condition.

Fetuses in the third trimester also touched themselves less during the mother's touch, compared when the stranger's touch and also compared to the control condition.

Researchers said: "This differential response of the older fetuses might be due to the maturation of the central nervous system, and may indicate the emergence of a proprioceptive self-awareness by the third trimester."

The research has been published in the journal Infant Behaviour and Development.

(CD/LM)

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"Fetuses selectively respond to external tactile stimulation, particularly in the third trimester, according to new findings."