Cervical Evaluation By Transvaginal Ultrasonography as a Predictor of Preterm Labour
DOI:
https://doi.org/10.21276/kza1wz64Keywords:
Cervical length, Funneling, Transvaginal Ultrasonography (TVS), preterm labourAbstract
Aims and Objective: To determine the efficacy of TVS ultrasonographic evaluation of cervical biometry in predicting preterm delivery in asymptomatic low risk pregnant women. Material and Methods - a prospective analysis of low- risk pregnant patients at 22-24 weeks attending antenatal OPD at a tertiary level teaching hospital over a period of one year. There were 200 antenatal patients overall equally divided into two groups GrA with 100 patients and cervical length< 2.5cm and GrB with 100 patients having cervical length >/= 2.5cm. Transvaginal ultrasonography was performed and cervical evaluation done by measuring cervical length and recording presence or absence of funnelling. These women were followed till delivery and results analysed by finding p-value. Results: The results proved that with cervical length, 2.5cm the preterm deliveries were 88% while term deliveries were only 12%. This was statistically significant with a P-value of < 0.001. Of the 88 patients that had preterm delivery, in 36 patients there was presence of funneling and only 2 of these could carry their pregnancies till term and 34 of them ie. 94.4% had preterm deliveries. In patients with cervical length >/= 2.5cm the total preterm delivery rate was only 8% in asymptomatic pregnant women and the term deliveries were 92%. Of the Preterm deliveries in this group 2 (25%) had funneling while in 6 (75%) it was absent.
Conclusion: This study has re-established the relevance of TVS in cervical assessment for prediction of preterm labour.
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