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The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
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Spontaneous Movement


8 weeks

From The Biology of Prenatal Development.Buy Now

Script: Embryot blir mer fysiskt aktiv under den här tiden.

Rörelser kan vara långsamma eller snabba, enstaka eller upprepade, spontana eller reflexmässiga.

Huvudvridningar, sträckningar på nacken, och kontakt mellan hand och ansikte förekommer oftare.

All ages referenced to fertilization, not last menstrual period.
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Right- and Left-Handedness
Right- and Left-Handedness
Rolling Over
Rolling Over
Spontaneous Movement
Spontaneous Movement
Reflexive Movement
Reflexive Movement
Epidermis and Hair
Epidermis and Hair
The Embryonic Period
The Embryonic Period
Free resources and training for educators
When does health begin? Find out now.


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