Risk of cesarean section after induced versus spontaneous labor at term gestation

Lee, Hye Ran; Kim, Seung Up; You, Ji Yeon; Choi, Suk Joo; Oh, Soo Young; Roh, Cheong‐Rae; Kim, Jong Hwa

doi:10.5468/ogs.2015.58.5.346

Cited by 18 publications

(21 citation statements)

References 19 publications

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“…On the other hand, induction did not increase the risk of surgical delivery in multiparous women according to our results. Lee et al (9) proposed that the rate of C-section was associated with the Bishop score but not impacted by labor induction; this is consistent with to our results. As a result, there is no certainty that induction increases the risk for C-section.…”

Section: Discussionsupporting

confidence: 83%

Why do multiparous women with a history of vaginal delivery give birth by cesarean section?

Çelik¹,

Bestel²,

Engin³

et al. 2016

J Turkish German Gynecol Assoc

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Material and Methods:238 multiparous women with a history of vaginal birth at 37-42 gestational weeks were enrolled in our study. 110 women had underwent C-section. Control group was chosen randomly from women giving birth by vaginal route. Results:Overall, 238 multiparous women with a history of vaginal delivery at 37-42 gestational weeks were enrolled in our study. The history of operative delivery, that of labor induction and presence of meconium and the indication of admission to the delivery room were different between groups. A lower Bishop score and biophysical profile, smaller gestational period, and lower birth weight were associated with the group requiring a C-section, whereas older age and a long time interval from the previous birth were associated with the group not requiring a C-section. Conclusion:A strategy involving either labor induction or not could be individualized for each patient to eliminate the risk factors for adverse outcomes. To identify criteria for the standardization of labor management, further studies are needed. (J Turk Ger Gynecol Assoc 2016; 17: 209-13) Keywords: Cesarean section, vaginal birth, multiparity Received: 14 June, 2016 Accepted: 29 October, 2016 Why do multiparous women with a history of vaginal delivery give birth by cesarean section? Labor pain, rupture of membranes, post-term pregnancy, suspicious non-stress test (NST), extreme vaginal bleeding, preeclampsia/chronic hypertension, growth restriction, or oligohydramnios were included as indications for admission to the delivery room. The reasons to proceed with a C-section included fetal distress, malpresentation, macrosomia, multiple pregnancies, failure to progress in labor or failed induction, fetal anomalies, and maternal clinical conditions. Our study was designed as a retrospective cohort study and conducted according to the Helsinki Declaration. There was no ethical approval needed because we collected data of the patients from the records in the archives and we did not document any personal information. Also, in our hospital, informed consent was obtained from every patient for the use of medical information in scientific publications. For the multivariate analysis, the possible factors identified with univariate analyses were further entered into the logistic regression analysis to determine the independent predictors of patient outcome. Statistical analysis ResultsTwo hundred thirty-eight multiparous women with a history of vaginal birth at 37-42 gestational weeks were enrolled in our study. Of these, 46.2% of patients had given birth through a C-section. The mean age of all the women was 29.8±5.5years. The mean BMI of all the women was 30.4±4.6. Of all the women, 96 (40.3%) had spontaneous labor, whereas 142 (59.7%) women received labor induction. All the demographic and clinical characteristics of the patients are represented in Table 1. The most frequent indication for admission to the delivery room was labor pain, whereas that for C-section was fetal distress (Table 2). Table 3 shows the mean...

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Section: Discussionsupporting

confidence: 83%

Why do multiparous women with a history of vaginal delivery give birth by cesarean section?

Çelik¹,

Bestel²,

Engin³

et al. 2016

J Turkish German Gynecol Assoc

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“…13 Conversely, Lee et al reported that AMA, BMI, lower Bishop score, primiparity, but not induction of labor, significantly increased the rate of eCS according to multivariate analysis. 26 However, their results are inconsistent with ours because Lee et al's study considered both older and younger women. Our results showed that induction of labor in older nulliparous women at term was an independent predictive factor for intrapartum eCS.…”

Section: Discussioncontrasting

confidence: 65%

“…Previous studies analyzing the risk factors for eCS have revealed birth weight > 4000 g and maternal obesity as significant factors aside from maternal age and labor induction, similar to our results. 13,26 Moreover, these factors would be affected by body weight gain and increased prevalence of DM and GDM as a result of aging. 7,9 The presence of uterine myoma has also been associated with myometrial dysfunction.…”

Section: Discussionmentioning

confidence: 99%

Rate of intrapartum cesarean section and related factors in older nulliparous women at term

Muto

Ishii

Nakano

et al. 2017

J of Obstet and Gynaecol

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“…Previous studies have demonstrated that degree of cervical ripening, higher gestational age, multi-parity, and lower maternal age are correlated with success of VD, though these studies mostly focused on term pregnancy [215161718]. Indeed, few reports to date have evaluated the predictive factors for labor induction success at preterm gestation.…”

Section: Discussionmentioning

confidence: 99%

Predicting factors for success of vaginal delivery in preterm induction with prostaglandin E₂

et al. 2017

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ObjectiveTo evaluate the efficacy and safety of prostaglandin (PG) E2 for preterm labor induction and to investigate the predictive factors for the success of vaginal delivery.MethodsA retrospective cohort study was performed in women (n=155) at 24+0 to 36+6 weeks of gestation who underwent induction of labor using a PGE2 vaginal pessary (10 mg, Propess) from January 2009 to December 2015. Success rates of vaginal delivery according to gestational age at induction and incidence of intrapartum complications such as tachysystole and nonreassuring fetal heart rate were investigated. Multivariable logistic regression analysis was performed to evaluate the predictive factors for success of labor induction.ResultsThe vaginal delivery rate was 57% (n=89) and the rate of cesarean delivery after induction was 43% (n=66). According to gestational age, labor induction was successful in 16.7%, 50.0%, and 62.8% of patients at 24 to 31, 32 to 33, and 34 to 36 weeks, showing a stepwise increase (P=0.006). There were 18 cases (11%) of fetal distress, 9 cases (5.8%) of tachysystole, and 6 cases (3.8%) of massive postpartum bleeding (>1,000 mL). After adjusting for confounding factors, multiparity (odds ratio [OR], 8.47; 95% confidence interval [CI], 3.10 to 23.14), younger maternal age (OR, 0.84; 95% CI, 0.75 to 0.94), advanced gestational age at induction (OR, 1.06; 95% CI, 1.02 to 1.09), rupture of membranes (OR, 11.83; 95% CI, 3.55 to 39.40), and the Bishop score change after removal of PGE2 (OR, 2.19; 95% CI, 1.0 to 4.8) were significant predictors of successful preterm vaginal delivery.ConclusionAn understanding of the principal predictive factors of successful preterm labor induction, as well as the safety of PGE2, will provide useful information when clinicians consult with preterm pregnant women requiring premature delivery.

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Risk of cesarean section after induced versus spontaneous labor at term gestation

Cited by 18 publications

References 19 publications

Why do multiparous women with a history of vaginal delivery give birth by cesarean section?

Why do multiparous women with a history of vaginal delivery give birth by cesarean section?

Rate of intrapartum cesarean section and related factors in older nulliparous women at term

Predicting factors for success of vaginal delivery in preterm induction with prostaglandin E₂

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Risk of cesarean section after induced versus spontaneous labor at term gestation

Cited by 18 publications

References 19 publications

Why do multiparous women with a history of vaginal delivery give birth by cesarean section?

Why do multiparous women with a history of vaginal delivery give birth by cesarean section?

Rate of intrapartum cesarean section and related factors in older nulliparous women at term

Predicting factors for success of vaginal delivery in preterm induction with prostaglandin E2

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Product

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Predicting factors for success of vaginal delivery in preterm induction with prostaglandin E₂