The effect of birth weight on vaginal birth after cesarean delivery success rates

Elkousy, Mohammed; Sammel, Mary D.; Stevens, Erika; Peipert, Jeffrey F.; Macones, George A.

doi:10.1067/mob.2003.186

Cited by 146 publications

(88 citation statements)

References 8 publications

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“…Macrosomia is likely to be implicated in the causal pathway between body mass and caesarean delivery because women with high pregravid mass are more likely to have heavy infants, 5 and macrosomia is a well-documented risk factor for caesarean delivery. 30,31 We found that a portion of the intrapartum effects of high body mass could be attributed to macrosomia. Multivariate adjustment for high birthweight decreased the effect estimates for obesity and overweight by approximately 10-15%; the residual effects of obesity after the adjustment, however, suggest that mechanisms in addition to macrosomia influence the risk of intrapartum caesarean delivery.…”

Section: Discussionmentioning

confidence: 97%

Maternal anthropometric risk factors for caesarean delivery before or after onset of labour

Sherrard¹,

Platt

Vallerand³

et al. 2007

BJOG

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Objective To quantify the effects of pre-pregnancy body mass and gestational weight gain, above and beyond their known effects on birthweight, on the risk of primary and repeat caesarean delivery performed before or after the onset of labour.Design Hospital-based historical cohort study.Setting Canadian university-affiliated hospital.Population A total of 63 390 singleton term ( ‡37 weeks gestation) infants with cephalic presentation.Methods We studied prospectively archived deliveries at the Royal Victoria Hospital in Montreal, Canada, from 1 January 1978 to 31 March 2001 using multiple logistic regression models to estimate relative odds of caesarean delivery.Main outcome measure Caesarean delivery, primary or repeat and before or after the onset of labour.Results Pregravid obesity (body mass index ‡30 kg/m 2 ) increased the likelihood of primary caesarean delivery before (OR = 2.01, 95% CI 1.39-2.90) and after (OR = 2.12, 95% CI 1.86-2.42) the onset of labour. High net rate of gestational weight gain (>0.50 kg/week) increased the risk but only after labour onset (OR = 1.40, 95% CI 1.23-1.60). Among women with a previous caesarean, high weight gain modestly increased risk but only before labour (OR = 1.38, 95% CI 1.04-1.83), whereas obesity increased the risk of caesarean delivery both before (OR = 1.85, 95% CI 1.44-2.37) and after (OR = 1.96, 95% CI 1.11-3.47) labour onset. Increased risks of macrosomia accounted for the association between pregravid adiposity and repeat caesarean delivery performed after but not before the onset of labour.Conclusions Pregravid obesity increases the risk of caesarean delivery both before and after the onset of labour and both with and without a history of caesarean.

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Section: Discussionmentioning

confidence: 97%

Maternal anthropometric risk factors for caesarean delivery before or after onset of labour

Sherrard¹,

Platt

Vallerand³

et al. 2007

BJOG

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“…Elkousy et al, [12] and Flamm et al, [13] have stated that there are reduced chances of successful vaginal delivery with neonatal baby weights more than 4 kg. Our study also highlights the better chances of VBAC for average-sized babies (66.2%) compared to babies weighing more than 4 kg (20%).…”

Section: Discussionmentioning

confidence: 99%

Pregnancy Outcome in Women with Previous One Cesarean Section

Balachandran

Vaswani

Mogotlane

2014

JCDR

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“…A study done on Fourteen thousand five hundred twenty-nine women found out that overall Trial of Labour after one previous cesarean section success rate in obese women (BMI≥30) was lower (68.4%) than in nonobese women (BMI<30) 24 .Similar results were seen in our study. Numerous other factors associated with decreased likelihood of successful VBAC rate are birth weight greater than 4000g, previous pre-term cesarean birth, cervical dilatation of less than 4cm at the time of admission, station of vertex -2 or higher at the time of admission, less than 2 years from previous cesarean birth, advanced maternal age, non-white ethnicity and short stature [25][26][27] .Where relevant to the patient's circumstances, these information should be shared during ante-natal counseling process to enable the woman to make the best informed choice. Previous vaginal birth is associated with an appropriately 87 to 90% planned VBAC success rate [28][29][30] .…”

Section: Discussionmentioning

confidence: 99%

Trial of labor after previous cesarean delivery (TOLAC) and association of BMI and previous vaginal delivery with frequency of VBAC

Tasleem¹,

Ghazanfar

2016

Bangladesh J Med Sci

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Objectives:To determine the frequency of successful Vaginal Birth after One Cesarean Section in our tertiary care institution and to determine the causes of its failure. Material and Methods: This study was conducted in department of Obstetrics and Gynecology of Shifa International Hospital and Shifa Foundation Community Health Centre Islamabad Pakistan from Feb 2011 to Dec 2014. This study included 592 patients who presented in labor room emergency reception of Obs/Gynae department at term with previous one scar having fulfilled the laid down inclusion criteria for VBAC during ante-natal care. The patients were admitted in hospital and were allowed to proceed for spontaneous labor under vigilant monitoring on complications of trial of scar. Immediate emergency cesarean sections were performed, where indicated. Results: Out of 592 patients 70.7% were delivered vaginally after previous one cesarean section and 29.3% had emergency cesarean section. Leading indications for repeat cesarean section was fetal distress, failure to progress and scar tenderness. No maternal and fetal complication occurred in our study. The success rate of Trial of labor after one previous cesarean delivery was lower in obese (64.38%) as compared to non-obese women (82.06%) (p<0.001). Women with previous successful vaginal delivery had a success rate of 88.2% compared with 62.25% in women without such a history (OR 4.4; 95% CI 2.7-7.2 p <0.001). Conclusion: Vaginal birth after one lower segment cesarean section should be encouraged with vigilant monitoring provided no obstetric contra-indication to vaginal birth exists.Keywords: (VBAC) Vaginal birth after cesarean section; trial of labor after previous cesarean delivery (TOLAC); uterine rupture, uterine dehiscence; lower segment cesarean section (LSCS).

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The effect of birth weight on vaginal birth after cesarean delivery success rates

Cited by 146 publications

References 8 publications

Maternal anthropometric risk factors for caesarean delivery before or after onset of labour

Maternal anthropometric risk factors for caesarean delivery before or after onset of labour

Pregnancy Outcome in Women with Previous One Cesarean Section

Trial of labor after previous cesarean delivery (TOLAC) and association of BMI and previous vaginal delivery with frequency of VBAC

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