| 单词 | Crown-Rump Lengths |
| 释义 | Crown-Rump Lengths《英文msh词典》Crown-Rump Lengths [入口词] Crown-Rump Lengths [主题词] Crown-Rump Length [英文释义] 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) |
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