Abstract
Background: To differentiate placental growth factor (PlGF) levels in pregnancies with normal and abnormal glucose challenge test (GCT) results.Methods: A total of 94 pregnant women underwent a 50 -g GCT as part of our routine antenatal screening protocol from September 2011 to January 2012. The patients were divided into three groups: (i) normal GCT, (ii) abnormal GCT and (iii) gestational diabetes mellitus (GDM) based on the screening results for gestational diabetes. The main outcome measure of the study was the relationship between PlGF and GCT results in non-diabetic pregnancies. The Kolmogorov–Smirnov test was used to check the normality of the variables’ distributions. The Kruskal–Wallis and analysis of variance tests (Tukey’s test) were used to analyze the qualitative parameters.Results: There were 53 (56.4%), 22 (23.4%) and 19 (20.2%) patients in the normal GCT, abnormal GCT and GDM groups, respectively. The PlGF level in the abnormal GCT group was 518 ± 307.6 pg/mL, which was the highest level in the study population, and there was a statistically significant difference compared with the other groups (p = 0.006). There were no statistically significant differences with respect to fetal birth weight among the three groups in our study.Conclusion: PlGF can be used as a laboratory marker to predict which patients will have abnormal GCT results.
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