This recent study captured 4D ultrasound scans that show fetuses reacting to different flavored capsules given to the participating mothers.
on Sept. 21, captured 4D ultrasound scans that show fetuses reacting to different flavored capsules given to the mothers. Approximately 100 pregnant women were given either a kale capsule or a carrot capsule, which was about the size of a standard vitamin, according to Jacqueline Blissett, a co-author of the study.
After a pregnant woman ingested either the kale or carrot capsule, it took about 30 minutes to see results, according to Blissett. While in utero, a fetus both breathes in and drinks the amniotic fluid it’s floating in. So while it does get much of its nutrients through its umbilical cord, it also "eats" its amniotic fluid to help practice swallowing and digestion.
When a pregnant woman eats or drinks something, those flavor profiles have the potential to disseminate into the amniotic fluid. So whatever the mom can taste, the fetus could also taste or smell — at least that’s what the study is hypothesizing. A fetus’ olfactory sensory neurons usually develop within 24 weeks of gestation, the study said.
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