Abstract: Aims and Objectives:
To assess relation of cervical length at 18 - 24 wks of gestation in singleton pregnancies and its relation to preterm labor.
Inclusion Criteria: All singleton pregnancy who have correct dating either by reliable LMP in the background of regular menstrual cycle or dating scan who have come for anomaly scan between 18-24wks of GA who agree for transvaginal measurement of cervical length.
Results: Out of 200 pregnancies followed 35 had preterm labor.13 cases were excluded due to obstetric complications.15 out of 22 cases had cervical length <3cm. Incidence of preterm in study group 11%. Number of preterm babies required neonatal admission was 14 .Sensitivity is 59.1% and Specificity is 97.6%. Positive predictive value is 76% with Negative predictive value is 94.7% and accuracy of 93%. P value < 0.001 which is significant.
Conclusion: Ultrasonographic cervical measurement is safe and effective technique to predict increased risk of preterm delivery.