ROLE OF THIRD‑TRIMESTER DOPPLER VELOCIMETRY IN PREDICTING PERINATAL OUTCOME IN HIGH‑RISK PREGNANCIES: A PROSPECTIVE STUDY.

Main Article Content

Dr. Khushboo Soni
Dr. Kavita Devi

Keywords

Doppler velocimetry, high-risk pregnancy, perinatal outcome, cerebroplacental ratio, umbilical artery

Abstract

Third-trimester Doppler velocimetry offers a timely pathophysiological information on the fetal health in high-risk pregnancy, in which conventional surveillance usually indicates compromising health at too late a stage. This prospective study compared uterine, umbilical, and middle cerebral artery Doppler measurements with perinatal outcomes, in 120 cases of high risks, in a tertiary care centre.


Methods: Observation of singleton pregnancies (30-34 weeks) in the hospital with the risks of hypertensive disorders and growth restriction. Doppler indices were measured according to the gestational norms; composite adverse outcome was measured as preterm delivery, low birth weight, low Apgar, NICU stay 24h, or perinatal death.


Results: Abnormal Doppler was found in 40% of cases where multivessel involvement predicts 80% composite adverse outcome compared to 12.5% when normal. Abnormal umbilical artery was associated with increased preterm (55.6%), low birth weight (72.2%), and perinatal death (16.7%).


Conclusions: Multivessel third-trimester Doppler is an effective stratification of perinatal risk and needs to be integrated with clinical care to maximize the time of action and minimize morbidity in resource-constrained environments.

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