🥱🧠 Researchers at #Durham University analyzed #ultrasound #videos to track how often fetuses yawn during different stages of #pregnancy.
The findings indicate that yawning frequency decreases as the #fetus grows, suggesting the behavior is a necessary part of maturation for the central nervous system. Unlike adults, fetuses don't yawn because they're tired or because they see others doing it.
👉 sciencenews.org/article/yawnin…
#biology #health #science #brain #research #medicine #education
Yawning is contagious — even in the womb
Rather than catching a yawn on sight, muscles squeezing the uterus could be the trigger for a fetus to catch a yawn from its mother.Science News Magazine (Science News)