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The Endowment for Human Development
The Endowment for Human Development
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5 months

From The Biology of Prenatal Development.Buy Now

Script: 5 חודשים

בגיל 20 שבועות, שבלול האוזן, שהנו איבר השמיעה, הגיע לממדים של בוגר, בתוך האוזן הפנימית המפותחת בשלמות. מעתה והלאה, העובר יגיב לטווח צלילים הולך וגדל.

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