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Abstract
Objective: To examine the role of first-trimester uterine artery Doppler, serum β-hCG and pregnancy-associated placental protein-A (PAPP-A) in prediction of preeclampsia and IUGR.
Methods: A total of 100 pregnant women in the 11–14 weeks’ gestation were examined using uterine artery Doppler, serum β-hCG and PAPP-A. All women were followed-up for development of preeclampsia or IUGR.
Results: A total of 94 women completed the study of which 7 (7.4%) developed complications. Uterine artery PI and RI were significantly higher whereas serum β-hCG and PAPP-A levels were significantly reduced in patients who developed complications when compared with those who did not. Uterine artery PI had the highest sensitivity (100%) but a low specificity (56% and 45%) in prediction of preeclampsia and IUGR, respectively. Adding PAPP-A to uterine artery PI elevated the specificity into 94.44% and 95.51%, respectively. Combined PI and β-hCG elevated the specificity into 88.89% and 89.89%, respectively.
Conclusion: Our study suggests that first-trimester uterine artery impedance, as measured by Doppler ultrasound as well as low serum biomarkers (β-hCG and PAPP-A) can be used for prediction of preeclampsia and IUGR. The most sensitive is uterine artery PI. Adding β-hCG to PI improves specificity in prediction of both preeclampsia and IUGR. Uterine artery PI plus PAPP-A is the best combination for prediction of both preeclampsia and IUGR
Declaration of interest
The authors declare no conflicts of interests. The authors alone are responsible for the content and writing of this article.