Skip Navigation
The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
Donate Now Get Free Videos

Image Gallery

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
Help give babies a healthy start and a healthy future. Donate now.
When does health begin? Find out now.