4D ultrasound images show fetuses respond to taste and smell.
Fetuses prefer certain flavors and show their expressions when exposed to different tastes and smells. Researchers have found evidence that babies in the womb respond to flavors transferred when their mothers ate carrots and kale., the research team from the Fetal and Neonatal Research Lab at Durham University scanned pregnant women and their fetuses. They were able to determine that fetuses can distinguish different flavors very early.
The pregnant women were asked not to eat food in the hour prior to their appointment. Then, each mother was given a capsule containing either the flavor of carrots or kale. One capsule contained approximately 400 milligrams of carrot powder or 400 milligrams of kale powder. There was also a control group, which consisted of mothers who did not ingest either capsule. In total, 100 mothers between the ages of 18 and 40 years old participated in the study.
"A number of studies have suggested that babies can taste and smell in the womb, but they are based on post-birth outcomes, while our study is the first to see these reactions prior to birth” said lead researcher Beyza Ustun, a postgraduate researcher in the Fetal and Neonatal Research Lab, Department of Psychology at Durham University.Findings unearthed by this study could advance our understanding in the development of human taste and smell receptors.
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