Abstract
This study was designed as an assessment of the clinical value of total estriol, placental lactogen (hPL), pregnancy specific glycoprotein (SP1), pregnancy-associated plasma protein-A (PAPP-A) and placental protein 5 (PP5), measured in a single sample of maternal serum, in the detection of intrauterine growth retardation (IUGR) in a large series of high risk pregnancies. Our results show the highest detection rate with SP1 (51%) and second highest with hPL (35%); estriol was less useful while PAPP-A and PP5 were of no value. However, there were 31% of false positives with SP1 compared with 14% for hPL. The best combination of the five parameters for the diagnosis of IUGR was achieved by measurement of both SP1 and hPL, with a low concentration of either protein indicating IUGR (sensitivity 63%, specificity 63%).
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