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Direct maternal morbidity and the risk of pregnancy-related deaths, stillbirths, and neonatal deaths in South Asia and sub-Saharan Africa: A population-based prospective cohort study in 8 countries

Aftab, Fahad, Ahmed, Imran, Ahmed, Salahuddin, Ali, Said Mohammed, Amenga-Etego, Seeba, Ariff, Shabina, Bahl, Rajiv, Baqui, Abdullah H., Begum, Nazma, Bhutta, Zulfiqar A., Biemba, Godfrey, Cousens, Simon, Das, Vinita, Deb, Saikat, Dhingra, Usha, Dutta, Arup, Edmond, Karen, Esamai, Fabian, Ghosh, Amit Kumar, Gisore, Peter, Grogan, Caroline, Hamer, Davidson H., Herlihy, Julie, Hurt, Lisa, Ilyas, Muhammad, Jehan, Fyezah, Juma, Mohammed Hamad, Kalonji, Michel, Khanam, Rasheda, Kirkwood, Betty R., Kumar, Aarti, Kumar, Alok, Kumar, Vishwajeet, Manu, Alexander, Marete, Irene, Mehmood, Usma, Minckas, Nicole, Mishra, Shambhavi, Mitra, Dipak K., Moin, Mamun Ibne, Muhammad, Karim, Newton, Sam, Ngaima, Serge, Nguwo, Andre, Nisar, Muhammad Imran, Otomba, John, Quaiyum, Mohammad Abdul, Sarrassat, Sophie, Sazawal, Sunil, Semrau, Katherine E., Shannon, Caitlin, Singh, Vinay Pratap, Soofi, Sajid, Soremekun, Seyi, Suleiman, Atifa Mohammed, Sunday, Venantius, Dilip, Thandassery R., Tshefu, Antoinette, Wasan, Yaqub, Yeboah-Antwi, Kojo, Yoshida, Sachiyo and Zaidi, Anita K. 2021. Direct maternal morbidity and the risk of pregnancy-related deaths, stillbirths, and neonatal deaths in South Asia and sub-Saharan Africa: A population-based prospective cohort study in 8 countries. PLoS Medicine 18 (6) 10.1371/journal.pmed.1003644

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Background Maternal morbidity occurs several times more frequently than mortality, yet data on morbidity burden and its effect on maternal, foetal, and newborn outcomes are limited in low- and middle-income countries. We aimed to generate prospective, reliable population-based data on the burden of major direct maternal morbidities in the antenatal, intrapartum, and postnatal periods and its association with maternal, foetal, and neonatal death in South Asia and sub-Saharan Africa. Methods and findings This is a prospective cohort study, conducted in 9 research sites in 8 countries of South Asia and sub-Saharan Africa. We conducted population-based surveillance of women of reproductive age (15 to 49 years) to identify pregnancies. Pregnant women who gave consent were include in the study and followed up to birth and 42 days postpartum from 2012 to 2015. We used standard operating procedures, data collection tools, and training to harmonise study implementation across sites. Three home visits during pregnancy and 2 home visits after birth were conducted to collect maternal morbidity information and maternal, foetal, and newborn outcomes. We measured blood pressure and proteinuria to define hypertensive disorders of pregnancy and woman’s self-report to identify obstetric haemorrhage, pregnancy-related infection, and prolonged or obstructed labour. Enrolled women whose pregnancy lasted at least 28 weeks or those who died during pregnancy were included in the analysis. We used meta-analysis to combine site-specific estimates of burden, and regression analysis combining all data from all sites to examine associations between the maternal morbidities and adverse outcomes. Among approximately 735,000 women of reproductive age in the study population, and 133,238 pregnancies during the study period, only 1.6% refused consent. Of these, 114,927 pregnancies had morbidity data collected at least once in both antenatal and in postnatal period, and 114,050 of them were included in the analysis. Overall, 32.7% of included pregnancies had at least one major direct maternal morbidity; South Asia had almost double the burden compared to sub-Saharan Africa (43.9%, 95% CI 27.8% to 60.0% in South Asia; 23.7%, 95% CI 19.8% to 27.6% in sub-Saharan Africa). Antepartum haemorrhage was reported in 2.2% (95% CI 1.5% to 2.9%) pregnancies and severe postpartum in 1.7% (95% CI 1.2% to 2.2%) pregnancies. Preeclampsia or eclampsia was reported in 1.4% (95% CI 0.9% to 2.0%) pregnancies, and gestational hypertension alone was reported in 7.4% (95% CI 4.6% to 10.1%) pregnancies. Prolonged or obstructed labour was reported in about 11.1% (95% CI 5.4% to 16.8%) pregnancies. Clinical features of late third trimester antepartum infection were present in 9.1% (95% CI 5.6% to 12.6%) pregnancies and those of postpartum infection in 8.6% (95% CI 4.4% to 12.8%) pregnancies. There were 187 pregnancy-related deaths per 100,000 births, 27 stillbirths per 1,000 births, and 28 neonatal deaths per 1,000 live births with variation by country and region. Direct maternal morbidities were associated with each of these outcomes. Conclusions Our findings imply that health programmes in sub-Saharan Africa and South Asia must intensify their efforts to identify and treat maternal morbidities, which affected about one-third of all pregnancies and to prevent associated maternal and neonatal deaths and stillbirths.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Publisher: Public Library of Science
ISSN: 1549-1676
Date of First Compliant Deposit: 14 July 2021
Date of Acceptance: 4 May 2021
Last Modified: 21 Jul 2021 09:28

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