Comparison of pregnancy-specific beta 1-glycoprotein (SP1) and ultrasound in predicting the date of delivery |
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| Authors: | A Naiem N A Bersinger P J Keller H Schneider |
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| Affiliation: | Department of Obstetrics and Gynaecology, University Hospital of Zurich, Switzerland. |
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| Abstract: | The accuracy of ultrasound measurements (crown-rump length and gestational sac diameter) and the serum concentration of pregnancy-specific beta 1-glycoprotein (SP1) in the prediction of the date of birth was analysed in a study population of 94 patients. When measured before 8 weeks after the last menstrual period (LMP) the serum concentration of SP1 was found to be a good predictor of the expected date of delivery and a good alternative to ultrasound, but it was of limited use when determined at a later gestation. |
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