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Little One Pregnancy Calendar & Journal
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Baby’s Pregnancy Calendar

Three-Week Embryo

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

Note:

A week ago, I couldn't even spell brains but now that I am older, I have one of my own!

Label Key:

  • 1. forebrain
  • 2. midbrain
  • 3. hindbrain
  • 4. area where spine is developing

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Three-Week Embryo
Three-Week Embryo
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
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