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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. /

http://www.ehd.org/index.php

From: Health and Medical

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