Stedman's > crown-rump (length)

crown-rump (length)

a measurement from the cranial vertex (topmost part) to the midpoint between the apices of the buttocks (sitting height) of an embryo during the fourth to eighth week or fetus, which permits approximation of embryonic or fetal age.

 

 

 

 

 

 

 

 

 

 

 

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