The Risk of Unexplained Antepartum Stillbirth in Second Pregnancies Following Caesarean Section in the First Pregnancy

Wood, Stephen L.; Chen, S.; Ross, Sue; Sauvé, Reg

doi:10.1097/01.aoa.0000350610.76367.be

Cited by 6 publications

(9 citation statements)

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“…In this study, we did not have any cases of stillbirth. The risk of unexplained stillbirth at 38 gestational weeks was reported to be about 0.05 per 1000 births among women with the history of cesarean delivery in a Scottish and a Canadian cohort study [ 14 , 15 ]. To measure the prevalence of 0.01–1% with sufficient accuracy and confidence, as many as 20,000 cases are needed [ 16 ].…”

Section: Discussionmentioning

confidence: 99%

‘Elective caesarean section at 38–39 weeks gestation compared to > 39 weeks on neonatal outcomes: a prospective cohort study

Pirjani

Afrakhteh

Sepidarkish

et al. 2018

BMC Pregnancy Childbirth

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BackgroundThis study was conducted to compare neonatal complications in scheduled cesarean sections (CS) between 38 and 39 gestational weeks with CS performed after 39 gestational weeks in Iranian low -risk pregnant women.MethodsIn this cohort study, 2086 patients were enrolled based on the inclusion and exclusion criteria. The neonates were evaluated in terms of the following items: transient tachypnea of the newborn (TTN), respiratory distress syndrome (RDS), sepsis, need for NICU hospitalization, birth weight, birth height, head circumference, and the first minute and fifth minute Apgar score. Several multiple logistic regression models were performed for each response variable (adverse outcome) separately.ResultsThe incidence of NICU admission was significantly higher in neonates born at 38–39 gestational weeks than those who were born after 39 gestational weeks. No significant differences were found in the incidence of neonatal sepsis, TTN, and RDS between the two groups.ConclusionAccording to our study results, elective CS at 38–9 weeks’ gestation is associated with a higher rate of TTN and NICU admission in comparison with elective CS performed after 39 completed gestational weeks.

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Section: Discussionmentioning

confidence: 99%

‘Elective caesarean section at 38–39 weeks gestation compared to > 39 weeks on neonatal outcomes: a prospective cohort study

Pirjani

Afrakhteh

Sepidarkish

et al. 2018

BMC Pregnancy Childbirth

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“…Moreover, delivery by CS in the first pregnancy is reported to increase the risk of unexplained stillbirth in the second (15,16), implicating abnormal placentation and subsequent placental dysfunction as underlying mechanisms. Nevertheless, recent evidence failed to demonstrate increased antepartum stillbirth in cases of previous CS, attributing the contradictory results to differences in stillbirth definitions or uncontrolled confounding factors (17).…”

Section: Caesarean Section: Maternal / Foetal Consequencesmentioning

confidence: 99%

Caesarean section: impact on mother and child

Boutsikou

Malamitsi-Puchner

2011

Acta Paediatrica

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“…Wood et al observed an association between CS and stillbirth in the subsequent pregnancy in the first instance. However, after re‐analysis (including multivariate analysis for confounding factors) this association disappeared . In our analysis, we evaluated a low‐risk population and corrected for maternal age, race and socio‐economic status.…”

Section: Discussionmentioning

confidence: 99%

“…Due to an increasing rate of CS, complications following a CS have been studied extensively because of the possible clinical implications for subsequent pregnancies. Increased risk of several obstetrical adverse outcomes for women with a history of CS have been reported, such as a higher risk of haemorrhage, placenta praevia, uterine rupture, repeat CS, but also HD and stillbirth . It has proven to be difficult in these studies to isolate the attributable effect of a CS on the risk of adverse outcome in a subsequent pregnancy from other (obstetrical) characteristics.…”

Section: Discussionmentioning

confidence: 99%

Risk of preterm birth after prior term cesarean

Visser¹,

Slaager

Kazemier

et al. 2020

BJOG

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Objective To determine the risk of overall preterm birth (PTB) and spontaneous PTB in a pregnancy after a caesarean section (CS) at term. Design Longitudinal linked national cohort study. Setting The Dutch Perinatal Registry (1999–2009). Population 268 495 women with two subsequent singleton pregnancies were identified. Methods A cohort study based on linked registered data from two subsequent pregnancies in the Netherlands. Main outcome measures The incidence of overall PTB and spontaneous PTB with subgroup analysis on gestational age at first delivery and type of CS (planned or unplanned). Results Of 268 495 women with a singleton first pregnancy who delivered at term, 15.76% (n = 42 328) had a CS. The incidence of PTB in the second pregnancy was 2.79% (n = 1182) in women with a previous CS versus 2.46% (n = 5570) in women with a previous vaginal delivery (adjusted odds ratio [aOR] 1.14, 95% confidence interval [CI] 1.07–1.21). This increased risk is mainly driven by an increased risk of spontaneous PTB after previous CS at term (aOR 1.50, 95% CI 1.38–1.70). Analysis for type of CS compared with vaginal delivery showed an aOR on spontaneous PTB of 1.86 (95% CI 1.58–2.18) for planned CS and an aOR of 1.40 (95% CI 1.24–1.58) for unplanned CS. Conclusions CS at term is associated with a marginally increased risk of spontaneous PTB in a subsequent pregnancy. Tweetable abstract Caesarean section at term is associated with a marginally increased risk of spontaneous PTB in a subsequent pregnancy.

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The Risk of Unexplained Antepartum Stillbirth in Second Pregnancies Following Caesarean Section in the First Pregnancy

Cited by 6 publications

References 0 publications

‘Elective caesarean section at 38–39 weeks gestation compared to > 39 weeks on neonatal outcomes: a prospective cohort study

‘Elective caesarean section at 38–39 weeks gestation compared to > 39 weeks on neonatal outcomes: a prospective cohort study

Caesarean section: impact on mother and child

Risk of preterm birth after prior term cesarean

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