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Sonographic measurements of the umbilical cord and vessels during normal pregnancies
A Weissman1, P Jakobi, M Bronshtein
1Department of Obstetrics and Gynecology, Rambam Medical Center, Haifa, Israel.
Sonographic measurements of the umbilical cord and vessels were performed in 368 uncomplicated pregnancies, and nomograms of their growth were constructed. All measurements were obtained in appropriate for gestational age fetuses in pregnancies with accurate dating. From the above measurements, an estimate of Wharton's jelly quantity (expressed as square millimeters) was calculated. The nomograms presented add another biometric measurement of normally growing fetuses and may serve to differentiate between them and those who are found to have umbilical cord abnormalities.
Sonographic measurements of the umbilical cord and vessels were performed in 368 uncomplicated pregnancies, and nomograms of their growth were constructed. All measurements were obtained in appropriate for gestational age fetuses in pregnancies with accurate dating. From the above measurements, an estimate of Wharton's jelly quantity (expressed as square millimeters) was calculated. The nomograms presented add another biometric measurement of normally growing fetuses and may serve to differentiate between them and those who are found to have umbilical cord abnormalities.