Define Critical Periods During Pregnancy, and Explain Their Importance in Embryonic/fetal

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The Answer is Fetal growth and development proceed along genetically determined pathways in which cells are programmed to multiply, differentiate, and establish long-term functional levels during set time intervals. Such time intervals, known as critical periods, are most intense during the first 2 months after conception, when a majority of organs and tissues begin to form. On the whole, critical periods represent a "one-way street," because it is not possible to reverse directions and correct errors in growth or development that occurred during a previous critical period. Consequently, adverse effects of nutritional and other insults occurring during critical periods of growth and development persist throughout life.

Define Critical Periods During Pregnancy, and Explain Their Importance in Embryonic/fetal

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Define Critical Periods During Pregnancy, and Explain Their Importance in Embryonic/fetal

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