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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: 7 MÅNEDER Inden 28 uger kan fostret skelne mellem lyde med høj og lav frekvens. | ||
| All ages referenced to fertilization, not last menstrual period. One month = 4 weeks. |