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A normal gestational period lasts forty weeks. Which of the following explains why the eighth week of gestation is notable?

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Pregnancy last about 40 weeks counting from the last menstrual period however the eight week is notable as this is the time organogenesis happens. It is the process where the 3 germ layers namely ectoderm,mesoderm and endoderm develop into internal organs of the fetus.
User Hamid Bayat
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