The Endowment for Human Development - Improving lifelong health, one pregnancy at a time

Explore pregnancy and prenatal development with EHD's free, online educational resources featuring direct videography and 4D ultrasound of the living embryo and fetus. Learn how humans develop from a single cell into a 100-trillion cell adult. Educators can access extensive, password protected curricular content.

Keywords: science, 3D, pregnancy calendar, 4D, teacher training, miscarriage, ultrasound, fetal alcohol syndrome, fetus, embryo