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Abstract

Aim: To evaluate the efficacy of non-stress test in a high risk pregnancy for fetal outcome and establishing it as an easy, non-invasive technique for antepartum fetal surveillance.

Methods: 155 females booked or unbooked with more than 34 weeks of period of gestation with high risk pregnancies were included with written informed consent.

Result: Non-Stress test has sensitivity of 72%, specificity of 98% , positive predictive value came out to be 95% while negative predictive value of 85.5% in high risk pregnancies after 34 weeks of gestation.

Conclusion: NST is a valuable screening test for detecting fetal compromise in pregnancies that have a poor perinatal outcome. Though rate of operative delivery was high, fetal death rate was lower in population undergoing antepartum testing as compared to general untested population.

Keywords: NST, High risk pregnancy, fetal heart rate, fetal wellbeing

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