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Reproductive System, Part 4 - Pregnancy & Development: Crash Course A&P #43

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Published on Nov 23, 2015

We've reached the grand finale of our four part series on human reproduction: BABIES! Today Hank walks you through the stages of pregnancy, beginning with how a zygote develops into blastomeres to a morula to a blastocyst and finally to an embryo and a fetus. He also explains some of the amazing anatomical changes that take place in the mother, and the hormonal sequence of events that lead to labor.

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Table of Contents
Stages of Pregnancy 1:23
Zygote -- Blastomere 1:34
Morula -- Blastocyst 2:12
Embryo -- Fetus 5:07
Anatomical Changes 5:30
Hormonal Sequences Leading to Labor 7:12

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Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:

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