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The Endowment for Human Development
The Endowment for Human Development
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Weight Gain


3 months

From The Biology of Prenatal Development.Buy Now

Script: Between 11 and 12 weeks, fetal weight increases nearly 60%.

Twelve weeks marks the end of the first third, or trimester, of pregnancy.

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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Male and Female
Male and Female
Glucose and Water Absorption
Glucose and Water Absorption
Weight Gain
Weight Gain
Taste Buds
Taste Buds
Bowel Movements
Bowel Movements
Upper and Lower Limbs
Upper and Lower Limbs
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