THE PREDICTION OF DELIVERY DATE BY ULTRASONIC MEASUREMENT OF FETAL CROWN‐RUMP LENGTH
- 1 January 1977
- journal article
- Published by Wiley in BJOG: An International Journal of Obstetrics and Gynaecology
- Vol. 84 (1) , 1-5
- https://doi.org/10.1111/j.1471-0528.1977.tb12457.x
Abstract
The ultrasonic measurement of the fetal crown-rump lenght (CRL) in early pregnancy was utilized to predict the date of delivery in 220 patients with reliable menstrucal histories and in 186 patients with unreliable menstrual dates who began labour spontaneously; Ninety-five per cent and 96.2 per cent respectively were delivered within 12 days of the predicted date. The CRL was found to be better than biparietal diameter measurements (p greater than 0.001) and as good as a reliable menstrual history (p greater than 0.5) in predicting the time fo spontaneous onset of labour.Keywords
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