Love Your Greens Before Birth? Study Suggests Vegetable Preferences Begin In The Womb

A new study led by Durham University has suggested that children’s relationship with vegetables may begin before they are even born, with researchers finding that flavour memories formed in the womb can last into early childhood.

The research discovered that three-year-old children reacted more positively to the smell of vegetables they had been repeatedly exposed to during late pregnancy, potentially opening the door to new approaches for encouraging healthier eating habits from infancy.

Scientists examined the facial reactions of children exposed to either carrot or kale before birth. Mothers taking part in the controlled study consumed capsules containing either carrot or kale powder during pregnancy. Researchers later assessed the children’s reactions to the smells of the same vegetables at three years old.

The findings showed that children whose mothers had taken carrot powder capsules were less likely to react negatively to the smell of carrot, while those exposed to kale in the womb responded more favourably to kale.

The latest research follows earlier stages of the same study, which first monitored babies before birth using ultrasound scans and later observed them again at around three weeks old. Researchers say the consistency of the reactions over time suggests that exposure to flavours during pregnancy can create long-lasting odour and flavour memories.

Lead author Professor Nadja Reissland, from Durham University’s Department of Psychology, said the study indicates that children remain more receptive to flavours they encountered while in the womb.

Researchers analysed the children’s facial expressions after holding cotton swabs dipped in carrot or kale powder beneath their noses. The children did not taste the vegetables during the experiment.

The study involved scientists from Aston University, the University of Cambridge, the French research organisation CNRS, and the University of Burgundy. The findings were published in the journal Developmental Psychobiology.

While researchers stressed that further work is needed to determine whether prenatal flavour exposure directly increases vegetable consumption later in life, the findings could provide valuable insight into how healthy eating habits are formed from the earliest stages of development.