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crown-rump (length)


Definition: 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.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.