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Growth of a Fetus

Growth of a Fetus. An embryo grows and develops from a cluster of cells to a fully formed fetus. 4-day blastula. Embryo has 16 cells Not yet implanted in the uterus. 5-week embryo. Heart is beating Beginning of eyes, arms, and legs are visible < 1 cm. 8-week FETUS.

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Growth of a Fetus

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  1. Growth of a Fetus An embryo grows and develops from a cluster of cells to a fully formed fetus.

  2. 4-day blastula • Embryo has 16 cells • Not yet implanted in the uterus

  3. 5-week embryo • Heart is beating • Beginning of eyes, arms, and legs are visible • < 1 cm

  4. 8-week FETUS • Embryo is now called a fetus • Has all basic organs and systems • 2-3 cm

  5. This is just a representation. NOT REAL!!

  6. 16-week fetus • Can move around in womb • Hair, eyelashes and eyebrows are growing • 12 cm

  7. 7-8 month fetus • About 35-40 cm in length • 3.3-5.1 pounds • The fetus usually gains at least 2.2 pounds during the final month of pregnancy

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