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The Endowment for Human Development
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Upper and Lower Limbs


3 months

From The Biology of Prenatal Development.Buy Now

Script: Dentro de 12 semanas, o comprimento dos membros superiores quase atingiu sua proporção final em relação ao corpo. Os membros inferiores demoram mais para atingir suas proporções finais.

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