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Abstract
Objective: To determine the predictive value of second trimester serum ischemia-modified albumin (IMA) levels for preeclampsia (PE), small for gestational age (SGA) and gestational diabetes mellitus (GDM). Methods: The study was conducted at a tertiary care hospital between May and August 2014. Healthy pregnant women (n = 88) who were screened for fetal anomalies with ultrasound at 20–24 weeks of gestation were included in the study. Doppler measurements of the bilateral uterine arteries were performed in all the patients. Serum samples were obtained for an IMA assay. The maternal serum IMA levels were compared in pregnant women who had normal and abnormal uterine artery Doppler findings, including notching, and also in pregnant women who subsequently developed PE, SGA, and GDM during the follow-up period. Results: Uterine artery notching was not significantly predictive for PE, GDM or SGA (p > 0.05). There was no significant difference between notching of the uterine arteries and serum IMA levels (p > 0.05). Eight pregnant women (9.1%) subsequently developed PE. Serum IMA levels were significantly elevated in patients with PE compared with patients who did not subsequently develop PE (p = 0.002). However, serum IMA levels were not significantly different in patients who subsequently developed SGA and GDM compared with women who did not (p > 0.05). There was no correlation between serum IMA levels and maternal characteristics and laboratory findings. Conclusion: Maternal serum IMA levels at 20–24 weeks’ gestation might be a predictive biomarker for PE, independent of notching of the uterine arteries, maternal characteristics and laboratory findings.
Declaration of interest
The authors report no conflicts of interest.