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Little One Pregnancy Calendar & Journal
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Baby’s Pregnancy Calendar

The Folding of the Embryo

3 weeks old / 5 weeks pregnant (since LMP)
From The Biology of Prenatal Development.Buy Now

Note:

My heart began beating about 22 days after fertilization—and just in the nick of time!

Note:

My brain and spinal cord are growing faster than everything else and my shape is curving more each day.

Label Key:

  • 1. heart
  • 2. digestive tract
  • 3. location of future mouth opening

Show Labels | Larger | Play Movie #11
The Folding of the Embryo
The Folding of the Embryo
Heart Chambers and Liver
Heart Chambers and Liver
Heart in Slow Motion
Heart in Slow Motion
The Early Brain and Face
The Early Brain and Face
Amnion
Amnion
Heart and Liver
Heart and Liver
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