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Abstract  Introduction: Preterm labour is the leading cause of neonatal morbidity and mortality and is responsible for nearly 75% of neonatal death and neurological handicap.Cervical length is one of the major determinants of preterm delivery. There is an inverse relationship between length of cervix measured by ultrasonography and frequency of spontaneous preterm birth. Aims and Objectives: To evaluate cervical length assessment by TVS at 18 -24 weeks of gestation for predicting women at risk of preterm delivery. To study the requirement of interventions and its outcome. To study perinatal outcome in terms of term/preterm, Apgar score and admission to NICU. Material and Methods: A prospective study over a period of 2 years was carried on 100 primigravida singleton pregnancies of 18-24 weeks of gestation booked for regular ante natal check up at Krishna Institute of Medical Sciences, Karad, and were subjected to Transvaginal ultrasound measurement of cervical length and were followed till delivery. Results: In this study, 87% delivered term, whereas preterm birth was seen in 13%. In patients with cervical length ≤ 2.5 cm, preterm delivery occurred in 66.67%, whereas 33.33% delivered term. Effectiveness of cerclage was not statistically significant but it contributed in decreasing the incidence of preterm labour. Conclusion: Transvaginal ultrasonography of the cervix during routine anomaly scan is safe, acceptable and a cost-effective test to assess risk of preterm delivery.

Keywords: Encerclage, Gestational age, Internal os, Birth weight, Apgar score.



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