Crown-Rump Length


Crown Rump Length

Crown-Rump Lengths

Length, Crown-Rump

Lengths, Crown-Rump

In utero measurement corresponding to the sitting height (crown to rump) of the fetus. Length is considered a more accurate criterion of the age of the fetus than is the weight. The average crown-rump length of the fetus at term is 36 cm. (From Williams Obstetrics, 18th ed, p91)