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The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
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Slideshow: Entire Image Gallery by EHD

Sperm

#38, Slide 8 of 312

Source: Centro Riproduzione Assistita, Catania, Italy.

Label Key:

1. spermatozoa
All ages referenced to fertilization, not last menstrual period.
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