Movie TheaterBlink-Startle Response |
| Buy NowFrom The Biology of Prenatal Development. |
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Script: By 24 weeks the eyelids reopen and the fetus exhibits a blink-startle response. This reaction to sudden, loud noises typically develops earlier in the female fetus. |
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All ages referenced to fertilization, not last menstrual period.
One month = 4 weeks.
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