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In the uterus, the embryo undergoes critical development after implantation into the uterine lining. It forms the placenta, which facilitates nutrient and waste exchange between the mother and embryo. As it grows, the embryo develops various structures and organ systems, transitioning into a fetus by the end of the eighth week of gestation. Throughout this period, the embryo is protected and nourished within the amniotic sac.

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AnswerBot

1w ago

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