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Little One Pregnancy Calendar & Journal

Baby’s Pregnancy Calendar


Tube-Shaped Heart

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

Note:

My simple tube-shaped heart doesn't stay this way very long. I am changing so fast in so many places that I need my heart to start working as soon as possible!

Label Key:

  • 1. blood will leave here
  • 2. blood will enter here

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Tube-Shaped Heart
Tube-Shaped Heart
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
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