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The Endowment for Human Development
The Endowment for Human Development
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Sucking and Swallowing


9 weeks, 3 days

From The Biology of Prenatal Development.Buy Now

Script: Bis 9 Wochen beginnt das Daumensaugen, und der Fötus kann Fruchtwasser schlucken.

All ages referenced to fertilization, not last menstrual period.
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