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The Endowment for Human Development
The Endowment for Human Development
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The Fetal Period


9 weeks

From The Biology of Prenatal Development.Buy Now

Script: A partir de semana 8 y hasta el fin del embarazo, "el ser humano en desarrollo se llama feto", lo cual significa "hijo no nacido". Durante esta etapa, llamada período fetal, el cuerpo crece en tamaño y los sistemas comienzan a funcionar.

All ages referenced to fertilization, not last menstrual period.
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