Fetal development Image

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Fetus (10 weeks old)	Fetus (12 weeks old)	16-week fetus
24-week fetus	26 to 28-week fetus	30 to 32 week fetus
3.5 week fetus	Fetus (7.5 weeks ol...	8.5 week fetus

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8.5 week fetus

At 8.5 weeks: the embryo now resembles a human; facial features continue to develop; beginnings of external genitalia form; anal passage opens, but the rectal membrane is intact; circulation through the umbilical cord is well developed; long bones begin to form.

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