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The Endowment for Human Development
The Endowment for Human Development
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5 months

From The Biology of Prenatal Development.Buy Now

Script: 5 MESES

Para la semana 20 la cóclea, que es el órgano de la audición, ha alcanzado su tamaño adulto dentro del oído completamente desarrollado. Desde ahora, el feto responderá a una gama de sonidos cada vez mayor.

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