Perinatal Terminology CDISC SEND Fetal Measurement Test Code Terminology CDISC SEND Fetal Measurement Test Name Terminology Body Frame Size Clinical Data Interchange Standards Consortium Terminology CDISC SEND Terminology Crown to Rump Length Measurement A measurement from the high prominence of the head to the low prominence of the buttocks of a fetus or embryo during ultrasound. C2825540 CDISC NICHD Crown_to_Rump_Length C81242 Crown to Rump Length Measurement A measurement from the proximal aspect of the head to the buttocks or proximal aspect of the tail. CRL A measurement from the high prominence of the head to the low prominence of the buttocks of a fetus or embryo during ultrasound. This measurement is useful in determining gestational age. Crown to Rump Length Measurement CRWNRMPL Crown Rump length Quantitative Concept Newborn Screening Terminology NICHD Terminology