Study of comparison on transvaginal cervical length and modified Bishop’s score in predicting the mode of delivery at term following induction of labour

Abstract
Objective
To compare the Transvaginal cervical length with modified Bishop’s score for cervical assessment in women undergoing labour induction at term to predict the need for caesarean delivery and to estimate the cut-off points for cervical length measured by TVS and modified bishop’s score in successful induction.
Methods: A prospective study was performed on One hundred and twenty five nulliparous women admitted for induction of labour. The cervical length was measured by TVS in cm followed by Digital vaginal examination done to record the modified Bishop’s score. Dinoprostone gel (0.5mg) was kept in the endocervical canal for inducing labour.
Results: Bishop’s score of 4 and cervical length by transvaginal ultrasound of 2.6cm are considered as cutoff values. Patients with TVS Cervical length of (2.54±0.50) cm delivered vaginally, whereas patients with TVS Cervical length of (3.26±0.45) cm delivered by caesarean section. A total of 32 (61.5%) of the patients delivered vaginally, and 3 (4.1%) of the patients delivered by caesarean section had cervical length ≤2.6 cm. Patients with modified Bishop’s score around (4.9±3.1) delivered vaginally, whereas patients delivered by caesarean section had modified Bishop’s score around (3.1±1.1). Moreover, 39 (75%) of the patients delivered vaginally, and 20(28.7%) of the patients delivered by caesarean section had modified Bishop’s score ≥4.
Conclusions: Both TVS cervical length and modified Bishop’s score are useful predictors of the need for caesarean delivery following labour induction.

2016040218.Study of comparison on transvaginal cervical length and modified Bishop’s score pdf.

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