VIDEO

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Dr. Aviva Romm, on Vaginal Health

By Aviva Romm — 2015

03:21 min

10:45

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

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.

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EXPLORE TOPIC

Reproductive Health