Obstetric Outcomes in High-Order Repeat Caesarean Deliveries in Nigeria: A Single-Center Retrospective Study
Objective: Our aim was to evaluate the trend of effect of prior caesarean delivery (CD) on obstetric outcomes; and to investigate the existence of a threshold for order of CD associated with geometrical increase in complications.
Materials and methods: We performed a retrospective cohort study of 942 parturients who undergone CD between June 2012 and May 2015 in a teaching hospital in Nigeria. The participants were stratified by the order of caesarean deliveries. We used linear-to-linear association to assess presence of a trend between the order of CD and categorical variables while Jonckheere-Terpstra was used to investigate whether a trend exist between order of CD and continuous variables. We also used multivariate logistic regression to evaluate the relative risk ratio of the outcome variables for each order of CD.
Results: Composite adverse maternal outcome depicted a significant increasing trend from 1st CD (5.2%) to the 5thCD (50%). The relative risk ratio for composite adverse maternal outcome increased arithmetically from 1st CD to 3rd CD: RRR2.21, 95%CI 1.2-3.98 for 2ndCD; RRR3.39, 95%CI 1.60-9.27 for 3rdCD; followed by a geometric increase between 3rdCD and 4thCD (RRR11.64, 95%CI 3.20-18.86). In contrast, composite adverse fetal outcome did not depict a significant trend. However, perinatal death increased significantly from primary CD (4.6%) to 5thCD (33.3%).
Conclusion: Maternal and fetal complications of repeat CD increase with increasing order of CD; and this trend became astronomical after the third CD. Couples should be counselled that both maternal and fetal complications increase with each additional CD and advised strongly to forgo future pregnancies after the 3rd CD.
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|Issue||Vol 16, No 4 (December 2022)|
|Caesarean Delivery Complications High-Order Caesarean Delivery Trend|
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