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Fetal Development Week by Week Overview
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YouTubeScientist Cindy
Fetal Development Week by Week Overview
The embryonic stage of development begins at day 15 after conception and continues through week 8. Basic structures of all major body organs and the main external features are completed during this time period, including internal organs. By week three the brain spinal cord and heart begin to develop along with the gastrointestinal tract. Here ...
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