Maternal risk factors for postterm pregnancy and cesarean delivery following labor induction

Roos, Nathalie; Sahlin, Lena; Ekman-Ordeberg, Gunvor; Kieler, Helle; Stephansson, Olof

doi:10.3109/00016349.2010.500009

Cited by 99 publications

(89 citation statements)

References 40 publications

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“…Also, it was interesting to note that the frequency of overweight and or obesity was higher as the length of gestation advanced beyond 39 weeks. This finding has previously been reported; thus, in a population-based cohort study, Ross et al 10 reported that the risk of post-term pregnancy in obese women was almost doubled, compared with normal weight women. Nutrition counseling should be offered to women in reproductive age to promote better reproductive outcomes.…”

Section: Discussionsupporting

confidence: 56%

Perinatal morbidity and mortality in late-term and post-term pregnancy. NEOSANO perinatal network's experience in Mexico

et al. 2011

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Section: Discussionsupporting

confidence: 56%

Perinatal morbidity and mortality in late-term and post-term pregnancy. NEOSANO perinatal network's experience in Mexico

et al. 2011

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“…However fewer than 10% of babies in the study were born by CS, which contrasts markedly with the current Australian experience as reported in maternity clinical indicator data [5]. [89], and in women with a lower BMI [13,90,[92][93][94], and less likely to be successful where baby has a birthweight >4000g (aOR 2.38, 95% CI 1.56-3.70) [13,93] or is in a persistent occipito-posterior position (OR 2.9, 95% CI 1.3-6.7) [87,95,96]. There are also studies reporting an association between IOL performed for some specific indications (hypertension, diabetes [97], post-dates [98]) and the outcome of CS birth.…”

Section: Inpatient Versus Outpatient Pge2 Vaginal Gel Protocolscontrasting

confidence: 52%

“…There is also data amongst women in spontaneous labour reporting associations between clinical characteristics like parity, age, BMI and gestation, and the outcome of mode of birth [13,87,88,[92][93][94]. It has been hypothesised that these clinical characteristics (independent of the MBS) might also predict outcomes for women being induced, including the IOL-to-birth-time, likelihood of "in-hours birth", and birth by CS.…”

Section: Hypothesesmentioning

confidence: 99%

“…IOL is more likely to be successful in multiparous women [87][88][89][90], in taller women [90,91], in younger women [89], and in women with a lower BMI [13,90,[92][93][94], and less likely to be successful where baby has a higher birth weight [13,93] or is in a persistent occipito-posterior position [87,95]. The degree of cervical ripeness has been consistently recognized as one of the most important predictors of induction success and mode of birth outcomes [83,92,99].…”

Section: Introductionmentioning

confidence: 99%

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Induction of labour using prostaglandin (PGE2) vaginal gel

Beckmann¹

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In Australia each year, more than one in four pregnant women will undergo an induction of labour (IOL). PGE2 vaginal gel is the most commonly used IOL method in Australia and is an effective cervical priming agent, although there are no evidence-based recommendations regarding the optimal dosage and frequency of PGE2 vaginal gel that will deliver the safest, most effective, least costly and more positive healthcare experiences for women.The aim of this thesis was to compare two policies of PGE2 vaginal gel for induction of labour at term: a policy of amniotomy once technically possible (regardless of modified Bishop's score (MBS)), versus a policy of giving more PGE2 vaginal gel (repeat administration and amniotomy only when MBS ≥ 7). Four key objectives were addressed across the domains of clinical outcomes, healthcare experience and healthcare costs. A randomised controlled trial was undertaken to determine which policy of PGE2 vaginal gel IOL results in the shorter IOL-to-birth time and is associated with lower rates of obstetric intervention and morbidity. The data from this trial were then used to develop predictive models to help identify those women who might specifically benefit from one policy versus the other. A healthcare experience tool was developed de novo, validated, and the experiences of women who were induced according to a policy of early amniotomy and repeat PGE2, were compared. And finally, the healthcare costs of women in the two arms of the trial were analysed. A decision-analytic model, specifically a Markov chain, was developed to further investigate costs, and a Monte Carlo simulation was performed to confirm the robustness of these findings.This thesis finds that in women being induced with PGE2 vaginal gel, performing an amniotomy (even if the cervix is deemed unfavourable) is likely to result in similar clinical outcomes, but a shorter labour, a more positive healthcare experience, and lower healthcare costs, when compared to giving more PGE2.

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“…71 Retrospective populationbased cohort studies have reported that higher maternal BMI is associated with prolonged gestation at term at .40 weeks', .41 weeks', and .42 weeks' gestation. [72][73][74] In the largest of these studies, 74 analysis of 1,176,131 singleton deliveries at $42 weeks of gestation, women with a BMI of $30 kg/m 2 were found to be at a 60% increased risk of post-term delivery. 74 …”

Section: Early Offspring Outcomes: Intrapartum Delayed Labormentioning

confidence: 99%

Effects of maternal obesity on early and long-term outcomes for offspring

Stirrat¹,

Reynolds²

2014

RRN

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Abstract:The prevalence of maternal obesity has increased significantly in recent years, and obesity is currently the most common comorbidity of pregnancy. Pregnancies of obese women are often defined as "high-risk" for the purposes of clinical care, with many well documented risks to the mother and developing baby. Maternal physiology and metabolism is dysregulated in the context of obesity, which may contribute to some of the adverse outcomes during pregnancy. Furthermore, maternal obesity has been hypothesized to cause harmful effects for the developing baby through "early life programming." This review will examine evidence from human studies for outcomes of offspring from obese women during pregnancy, during labor, during the neonatal period, and later in life.

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Maternal risk factors for postterm pregnancy and cesarean delivery following labor induction

Cited by 99 publications

References 40 publications

Perinatal morbidity and mortality in late-term and post-term pregnancy. NEOSANO perinatal network's experience in Mexico

Perinatal morbidity and mortality in late-term and post-term pregnancy. NEOSANO perinatal network's experience in Mexico

Induction of labour using prostaglandin (PGE2) vaginal gel

Effects of maternal obesity on early and long-term outcomes for offspring

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