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The Endowment for Human Development
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Meconium Release

3 months

From The Biology of Prenatal Development.Buy Now

Note:

Meconium is the first material released by the fetal and newborn colon. It is made up of bile acids, dead cells, and other products from the gastrointestinal tract.

Label Key:

1. right upper thigh
2. perineum
3. meconium emerging from anal opening
4. left thigh
All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
Fingertips of Right Hand
Fingertips of Right Hand
Roof of the Mouth
Roof of the Mouth
Meconium Release
Meconium Release
Right Hand Covering Face
Right Hand Covering Face
Partially-Closed Left Hand
Partially-Closed Left Hand
Posterior Surface of Left Thigh
Posterior Surface of Left Thigh
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