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. 2024 Apr 25;24(1):314.
doi: 10.1186/s12884-024-06516-w.

A population-based estimation of maternal mortality in Lagos State, Nigeria using the indirect sisterhood method

Kikelomo Ololade Wright  1   2   3 , Temiloluwa Fagbemi  4 , Victoria Omoera  5 , Taiwo Johnson  5 , Adedayo Ayodele Aderibigbe  4   6 , Basit Baruwa  7 , Folashade Oludara  5 , Olusegun Ogboye  5 , Donald Imosemi  8 , Olufemi Omololu  9 , Babatunde Odugbemi  10   6 , Oluwatoni Adeyemi  6 , Adenike Omosun  11 , Ibironke Akinola  12 , Modupe Akinyinka  10   6 , Mobolanle Balogun  13 , John Abe  14 , Bamidele Sadiku  15 , Aduragbemi Banke-Thomas  4   16 , Adetokunbo O Fabamwo  17
Affiliations

A population-based estimation of maternal mortality in Lagos State, Nigeria using the indirect sisterhood method

Kikelomo Ololade Wright et al. BMC Pregnancy Childbirth. .

Abstract

Background: Pregnancy and delivery deaths represent a risk to women, particularly those living in low- and middle-income countries (LMICs). This population-based survey was conducted to provide estimates of the maternal mortality ratio (MMR) in Lagos Nigeria.

Methods: A community-based, cross-sectional study was conducted in mapped Wards and Enumeration Areas (EA) of all Local Government Areas (LGAs) in Lagos, among 9,986 women of reproductive age (15-49 years) from April to August 2022 using a 2-stage cluster sampling technique. A semi-structured, pre-tested questionnaire adapted from nationally representative surveys was administered using REDCap by trained field assistants for data collection on socio-demographics, reproductive health, fertility, and maternal mortality. Data were analysed using SPSS and MMR was estimated using the indirect sisterhood method. Ethical approval was obtained from the Lagos State University Teaching Hospital Health Research and Ethics Committee.

Results: Most of the respondents (28.7%) were aged 25-29 years. Out of 546 deceased sisters reported, 120 (22%) died from maternal causes. Sisters of the deceased aged 20-24 reported almost half of the deaths (46.7%) as due to maternal causes, while those aged 45-49 reported the highest number of deceased sisters who died from other causes (90.2%). The total fertility rate (TFR) was calculated as 3.807, the Lifetime Risk (LTR) of maternal death was 0.0196 or 1-in-51, and the MMR was 430 per 100,000 [95% CI: 360-510].

Conclusion: Our findings show that the maternal mortality rate for Lagos remains unacceptable and has not changed significantly over time in actual terms. There is need to develop and intensify community-based intervention strategies, programs for private hospitals, monitor MMR trends, identify and contextually address barriers at all levels of maternal care.

Keywords: Maternal causes; Maternal mortality ratio; Sisters.

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Conflict of interest statement

All authors have no relevant financial or non-financial interests to disclose.

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