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. 2013 Jun 3;8(6):e65612.
doi: 10.1371/journal.pone.0065612. Print 2013.

Patterns and Outcomes of Induction of Labour in Africa and Asia: a secondary analysis of the WHO Global Survey on Maternal and Neonatal Health

Joshua P Vogel  1 , João Paulo Souza, A Metin Gülmezoglu
Affiliations

Patterns and Outcomes of Induction of Labour in Africa and Asia: a secondary analysis of the WHO Global Survey on Maternal and Neonatal Health

Joshua P Vogel et al. PLoS One. .

Abstract

Background: Labour induction should be performed where benefit outweighs potential harm, however epidemiology of induction in lower-income countries is not well described. We used the WHO Global Survey dataset to describe the epidemiology and outcomes of labour induction in 192,538 deliveries in 253 facilities across 16 countries in Africa and Asia.

Methods: Data was analyzed separately for Africa and Asia. Prevalence of indications, methods, success and characteristics associated with labour induction were determined. Multilevel logistic regression was used to determine the relationship between induction (with medical indication and elective) and maternal/perinatal outcomes.

Results: Induction accounted for 4.4% (Africa) and 12.1% (Asia) of deliveries. Oxytocin alone was the most common method (45.9% and 37.5%) and success rates were generally over 80%. Medically indicated inductions were associated with increased adjusted odds of Apgar <7 at 5 minutes, low birthweight, NICU admission and fresh stillbirth in both regions. The odds of caesarean section in Africa were reduced (Adj OR 0.61, 95%CI 0.42-0.88). Elective induction was associated with increased adjusted odds of NICU (Africa) and ICU (Asia) admissions.

Discussion: Induction was generally less common than in higher-income countries. Prostaglandin use was uncommon despite evidence supporting use. Induction for medical indications may be associated with poorer outcomes due to maternal baseline risks. Despite one-third of elective inductions occurring at <39 weeks, the risk of maternal, fetal and neonatal mortality was not elevated following elective inductions.

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Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

Figures

Figure 1
Figure 1. Study flow chart.
Figure 2
Figure 2. Forest plot of adjusted odds ratios and confidence intervals following medically indicated labour induction in Africa.
Figure 3
Figure 3. Forest plot of adjusted odds ratios and confidence intervals following medically indicated labour induction in Asia.
Figure 4
Figure 4. Forest plot of adjusted odds ratios and confidence intervals following elective induction in Africa.
Figure 5
Figure 5. Forest plot of adjusted odds ratios and confidence intervals following elective induction in Asia.
See this image and copyright information in PMC

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