Fetal yawning and mouth openings: Frequency, developmental trends, and association with birth weight (IMAGE)

PLOS

Fetal yawning and mouth openings: Frequency, developmental trends, and association with birth weight

Caption

Yawns in healthy fetuses might indicate mild distress.

Credit

Fotorech, Pixabay, CC0 (https://creativecommons.org/publicdomain/zero/1.0/)

Usage Restrictions

No restrictions.

License

CC0

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