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The Endowment for Human Development
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Behavioral States


7 months, 2 weeks

From The Biology of Prenatal Development.Buy Now

Script: В течение 4 последних месяцев беременности плод демонстрирует периодическую координированную активность, которая перемежается периодами отдыха. Такие изменения поведения отражают постоянное развитие сложной центральной нервной системы.

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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Fetus Appears Less Wrinkled
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