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The Endowment for Human Development
The Endowment for Human Development
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Breathing Movements


7 months, 3 weeks

From The Biology of Prenatal Development.Buy Now

Script: 30 аптада тыныс алу көбірек көріне бастайды және орташа нәрестеде жағдайлардың 30-40 пайызында көрінеді.

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