PLEASE note that the black-and-white photographs shown here were assembled by the Carnegie Embryology Institute over several decades, beginning in 1914, as part of a national effort to identify, describe, and standardize the stages of  human embryological and fetal development.  The photographs are of embryos that were the result of spontaneous miscarriages or that were discovered during a necessary hysterectomy.  In other words, these are not photographs of intentionally-aborted embryos.

For embryo sizes compared with a US penny:
http://virtualhumanembryo.lsuhsc.edu/HEIRLOOM/Stages/Stages_intro.html

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This Webpage was created for a workshop held at Saint Andrew's Abbey, Valyermo, California in 2003....x....  ’ “”.