Image GalleryThe Mouth, Lips, and Tongue |
![The Mouth, Lips, and Tongue [Click for next image]](http://media.ehd.org/images/prenatal_numbered_655/the-mouth-lips-and-tongue.jpg "Click for next image")
Note:Swallowing amniotic fluid begins at about nine weeks following fertilization. The mouth is officially open for business.Label Key:
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| Buy NowFrom The Biology of Prenatal Development. All ages referenced to fertilization, not last menstrual period. |
The Mouth, Lips, and Tongue
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Genital Tubercle at 9 Weeks, 2 Days
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The Fetal Face and Left Hand
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Face and Left Hand
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The 10-Week Fetus
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The Thinker
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