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Posted by on Nov 26, 2012 in Science |

Video: Want to know how a fetus yawning into the uterus?

Video: Want to know how a fetus yawning into the uterus?

Research by academics at the University of Durham and the University of Lancaster suggests that ultrasound detects where the unborn within the womb yawning may help doctors to monitor the health of the fetus.

The idea comes from the study after analyzing a series of images taken at several fetuses at different stages of development, which would show that healthy yawn less as you approach your due date (you can differentiate the otherwise yawn gestures because the open mouth faster than when closed).

At 24 weeks (6 months) of gestation a fetus yawning almost twice every 10 minutes, however, they stop when they reach 36 weeks (9 months). “Fetuses do not yawn because they are sleepy or imitation like us, but they do because the frequency of yawning was related to the maturity of the brain (and central nervous system) in early stages of pregnancy,” said one of the academics who conducted the study.

Development of Fetal Compared with Non-Yawn Yawn Mouth Openings from 24-36 Weeks Gestation (PLOS One)
Just a 4D Medical Yawning Scan of a Fetus in the Womb (Gizmodo)

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