Babies react to flavors in their mother’s womb

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Babies react to flavors in their mother's womb

How does the fetus react to its mother’s diet? What researchers wanted to explore by observing the facial reactions of the future baby in utero. Prenatal exposure to the different flavors ingested by the mother has been analyzed and proves for the first time that the little being in the making already has his preferences.

fans of carrotscarrots, but much less cabbage: In their mother’s womb, babies react differently to flavors and smells, scientists have concluded for the first time by scrutinizing their facial expressions. During this study, conducted by scientists from the British universities of Durham and the French universities of Burgundy, and published Thursday in the journal Psychological Science100 women, aged 18 to 40 and 32 to 36 weeks pregnant, underwent 4D ultrasounds.

These images allowed researchers to observe how future babies reacted when their mother ate carrots or kale. The fetusfetus exposed to carrots showed “a laughing face”, while those whose mothers had eaten cabbage kalekalepopular with healthy food lovers, had “a teary face,” the researchers found.

From what age does baby see and hear?

Spontaneous and immediate responses

A number of studies had suggested that babies could taste and smell in the womb, but these were based on results after birth, our study is the first to highlight these reactions before delivery “Said Beyza Ustun, researcher at Durham University and lead author of the study.

The human being perceives the flavors by combining the taste and thesmellsmell. In fetuses, the researchers believe that this mechanism could occur by swallowing the amniotic fluid present in the uterus. ” By observing the facial reactions of the fetuses, we can surmise that a series of chemical stimuli pass through the mother’s diet into the environment of the fetus “, detailed Professor Benoist Schaal, of the National Center for Scientific Research-University of Burgundy, co-author of the study.

Findings could help better inform mothers about the importance of healthy eating during pregnancy

This could play a major role in our understanding of the development of our receptors gustatorygustatory and olfactory, as well as related perception and memory “, he continued. The researchers say their findings could help better inform mothers about the importance of healthy eating during pregnancy.

The study authors also began monitoring these fetuses to see if the diet of pregnant women might impact babies’ food preferences once born. The objective of this new study? See if repeated exposure of these fetuses to less appreciated flavors could, over time, cause them to become accustomed to them in order to be better accepted by newborns when they taste them for the first time.

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