Abstract
Objective: To evaluate the role of mean pulsatility index by rst trimester uterine artery doppler in prediction of preeclampsia. A prospective observational study was conducted in a tertiary c Methodology: are center. Of 200 women screened, 136 women met eligible criteria and 130 consented for participation in the study. In addition to nuchal translucency and crown-rump length, mean uterine artery pulsatility index (PI) was measured at 11–13+6 weeks, and women were followed up till delivery to observe the development of gestational hypertension, preeclampsia and fetal growth restriction (FGR). Categorical variables were analyzed using ROC curve, and P≤0.05 (5%) was used to calculate signicance. Among 130 women followed t Results: ill delivery, 9 (6.92%) had mean PI >95% and 121 (93.08%) had normal Doppler. A signicantly higher number of women with PI ≥95% had preeclampsia (55.55%) (p < 0.001), and the sensitivity of PI in prediction of preeclampsia was 55.55% with specicity of 98.80%. No association was found between PI and FGR (p = 0.228). Conclusion: This study showed a positive association with the development of preeclampsia . The predictive accuracy of rst trimester uterine artery Doppler using PI with cutoff of >95% has low sensitivity in prediction of preeclampsia (55.55%) but it has high specicity(98.80%) for prediction of PE(Preeclampsia).
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