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The Endowment for Human Development
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Sound Discrimination


7 months

From The Biology of Prenatal Development.Buy Now

Note:

The fetus is exposed to a wide variety of noises from inside mom's body (such as mom's voice and heartbeat and gurgling in her digestive tract) as well as noises outside mom's body (such as music, other voices, machinery, traffic, etc.).

Script: By 28 weeks the fetus can distinguish between high- and low-pitched sounds.

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