Scientists said in a new study that babies in the womb like carrots but don't like leafy green vegetables.
The Durham University researchers found that babies react differently to different smells and tastes before they are born.
Babies exposed to carrot flavors showed "laughter-face" responses, according to a team of scientists.
The people who were exposed to the flavors of kale showed a different response.
Beyza Ustun said that a number of studies suggest that babies can taste and smell in the womb, but they are based on post-birth outcomes.
"As a result, we think that this repeated exposure to flavors before birth could help to establish food preferences post-birth, which could be important when thinking about messaging around healthy eating and the potential for avoiding food-fussiness."
Humans have a combination of tastes and smells.
It is believed that this can happen through inhaling and swallowingamniotic fluid in the womb.
Scientists from Durham's Fetal and Neonatal Research Lab were part of the study.
The National Center for Scientific Research is in Burgundy, France.
The teams believe the findings will help understand the development of taste and smell.
It could be argued that repeated prenatal flavor exposure may lead to preferences for those flavors experienced later in life.
The next step is to see if the fetuses show less negative responses to the flavors over time, leading to greater acceptance of those flavors when babies first taste them outside of the womb.
Agence France- Presse.
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