The labor induction: integrated clinical and sonographic variables that predict the outcome

A total of 100 women with gestational ages of 34-42 weeks requiring induction of labour were consecutively recruited in a prospective study at the Medical College and Hospital, Baroda, India. The aim of this study was to determine the value of transvaginal measurement of cervical length in the prediction of successful vaginal delivery within 24 h. Induction of labour was carried out with Tab Misoprostol (25 microg). A Bishop's score and sonographic cervical assessment were performed prior to induction. Univariate and logistic regression analyses was used. A pre-induction cervical length measurement on TVS was an independent predictor of successful vaginal delivery. At < or =3 cm cervical length, the probability of a LSCS was <30%, while with 4 cm cervical length, the probability became >75%. One unit increase in cervical length increased the probability of LSCS by 45%. The cervical length measurement by TVS is therefore an independent predictor of successful labour induction and performs better than Bishop's score as a method of pre-induction cervical assessment.

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“…On the other hand, other studies have provided conflicting results (Bueno et al 2007;Chandra et al 2001;Rozenberg et al 2005).…”

Section: Introductionmentioning

confidence: 96%

Transvaginal measurement of cervical length in the prediction of successful induction of labour

Maitra

Sharma

Agarwal

2009

Journal of Obstetrics and Gynaecology

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“…Por el contrario, en nuestro estudio, la paridad fue el factor con mayor capacidad predictiva en el resultado de parto. Por ello, decidimos integrarlo en los nuevos índices, coincidiendo con varios autores que también incorporaron la paridad en sus modelos predictivos en gestantes con IDP [10][11][12][15][16][17] . En este sentido, Dhall y col 18 intentaron en 1987 introducir el parámetro de la paridad en una nueva escala formada además por dilatación, borramiento y consistencia.…”

Section: Discussionunclassified

Predictive validity of Bishop and Burnett Scores for vaginal delivery modified by parity

Hernández‐Martínez

Molina‐Alarcón

Pascual-Pedreño

et al. 2017

An Sist Sanit Navar

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Fundamento. Validar la capacidad predictiva del resultado de parto de los índices Bishop (BS) y Burnett (BRS) frente a versiones modificadas en las que se incorpora la paridad (BSM y BRSM). Método.Cohortes históricas sobre un total de 728 inducciones realizadas durante los años 2011-2013 en el Hospital "La Mancha-Centro" (HLMC) de Alcázar de San Juan. Se evaluaron las características predictivas (aná-lisis de validez interna) mediante áreas bajo la curva (ABC) ROC de cada parámetro de los BS y BRS y de la paridad, así como de cada uno de los 4 índices.resultados. La paridad y todos los parámetros del BS y BRS, a excepción de la estación fetal y la posición del cuello, se asociaron con el resultado de parto. Se definieron dos nuevas escalas modificadas a partir del BS y BRS, previa eliminación del parámetro de la estación fetal, por ser el que menor capacidad discriminativa mostraba: BSM y BRSM. Se asignó un valor de 0 en las nulíparas y, en el caso de las multíparas, 3 puntos a BSM y 2 a BRSM. Los índices modificados mostraron una capacidad predictiva (ABC) de parto vaginal superior a la de los índices originales, tanto para BS (0,70 vs. 0,62) como para BRS (0,69 vs. 0,62).conclusión. Los índices modificados BSM y BRSM, donde se sustituye el parámetro altura de la presentación por la paridad, presentan mejor capacidad predictiva respecto de los índices originales BS y BRS para determinar el resultado de parto. results. Parity and all the parameters of BS and BRS, except for foetal station and cervical position, were associated with the outcome of labour. Two modified scales were defined on the basis of BS and BRS, following removal of the "foetal station" parameter due to its low discriminative capacity: BSM and BRSM. Nulliparity was given a value of 0 points, and multiparity a value of 3 points for BSM, and 2 for BRSM.Modified indices showed a higher predictive ability (AUC) for vaginal delivery than the original indices, for both BS (0.70 vs. 0.62) and for BRS (0.69 vs. 0.62).conclusion. Replacing the "foetal station" parameter with parity in BS and BRS, improves predictive capacity with regard to the original indices in order to determine the outcome of labour. Keywords

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“…The successful vaginal delivery after induction was 70% [69], 75% [70], 89.1% [6]. Bueno et al found that the vaginal delivery occurred in 73.5% of women in the induction group, and the rate of cesarean delivery was 26.5% [18]. Sahanaz et al reported vaginal delivery of 78.9% and 21.1% of cesarean section after induction of labor [56,71].…”

Section: Tripathy and Babymentioning

confidence: 99%

“…Ezechi et al reported the reasons for failed induction with misoprostol include cephalopelvic disproportion, fetal distress, prolong labor, and antepartum hemorrhage [28] Lawani et al also described about fetal distress, prolonged labor, cephalopelvic disproportion as reasons for cesarean section [13]. From the study of Bueno et al, it is understood that the major reasons for cesarean delivery are induction failure (34%), nonreassuring fetal monitoring (28.9%), pelvic disproportion (17%), and failure to progress (14.9%) [18].…”

Section: Tripathy and Babymentioning

confidence: 99%

“…The reasons for considering induction are many and vary from obstetrician to obstetrician and from country to country [8]. The most common indication that requires induction of labor is postdated pregnancy [9][10][11][12][13][14][15][16][17][18][19][20][21][22]. Another frequently cited indication is term premature rupture of membrane [12,13,23,24].…”

Section: Introductionmentioning

confidence: 99%

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Induction of Labor by Prostaglandin: A Review for Indications and Risk for Cesarean Section

Tripathy

Baby

2017

Asian J Pharm Clin Res

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Objective: Labor induction by medication is now preferred by many obstetricians. The impact of induction remains ambiguous, although many studies and systematic reviews have been conducted. Few studies have reported for its better outcomes while other studies with poor outcomes. The objective of the study is to identify the common indications of induction and the risk of cesarean section after induction. Methods:Various standardized databases, such as Pub Med, Scopus, and Google Scholar, were used to collect the scientific studies, where prostaglandin was used as drug of choice for induction of labor. The key words used were induction of labor, indications of induction, induction by misoprostol, induction and risk of cesarean section, etc. The survey spans over 22 years of study articles published from the year 1995-2017.Result: A total of 112 studies have been included to analyze the indications and risk of cesarean section. The most common indication found in most of the studies was post-term pregnancy. The risk of cesarean section varied from 3% to 48.7%. The common reasons for which the cesarean section was planned were, failed induction, nonprogress of labor, fetal distress, and undiagnosed CPD. Conclusion:Most of the studies recommend induction of labor as a safer option with lower risk of c-section.

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The labor induction: integrated clinical and sonographic variables that predict the outcome

Cited by 27 publications

References 19 publications

Transvaginal measurement of cervical length in the prediction of successful induction of labour

Transvaginal measurement of cervical length in the prediction of successful induction of labour

Predictive validity of Bishop and Burnett Scores for vaginal delivery modified by parity

Induction of Labor by Prostaglandin: A Review for Indications and Risk for Cesarean Section

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