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Gazeley U, Reniers G, Eilerts-Spinelli H, Prieto JR, Jasseh M, Khagayi S, Filippi V. Women's risk of death beyond 42 days post partum: a pooled analysis of longitudinal Health and Demographic Surveillance System data in sub-Saharan Africa. Lancet Glob Health 2022; 10:e1582-e1589. [PMID: 36240825 DOI: 10.1016/s2214-109x(22)00339-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 07/21/2022] [Accepted: 07/28/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND WHO's standard definitions of pregnancy-related and maternal deaths only include deaths that occur within 42 days of delivery, termination, or abortion, with major implications for post-partum care and maternal mortality surveillance. We therefore estimated post-partum survival from childbirth up to 1 year post partum to evaluate the empirical justification for the 42-day post-partum threshold. METHODS We used prospective, longitudinal Health and Demographic Surveillance System (HDSS) data from 30 sites across 12 sub-Saharan African countries to estimate women's risk of death from childbirth until 1 year post partum from all causes. Observations were included if the childbirth occurred from 1991 onwards in the HDSS site and maternal age was 10-54 years. We calculated person-years as the time between childbirth and next birth, outmigration, death, or the end of the first year post partum, whichever occurred first. For six post-partum risk intervals (0-1 days, 2-6 days, 7-13 days, 14-41 days, 42-122 days, and 4-11 months), we calculated the adjusted rate ratios of death relative to a baseline risk of 12-17 months post partum. FINDINGS Between Jan 1, 1991, and Feb 24, 2020, 647 104 births occurred in the HDSS sites, contributing to 602 170 person-years of exposure time and 1967 deaths within 1 year of delivery. After adjustment for confounding, mortality was 38·82 (95% CI 33·21-45·29) times higher than baseline on days 0-1 after childbirth, 4·97 (3·94-6·21) times higher for days 2-6, 3·35 (2·64-4·20) times higher for days 7-13, and 2·06 (1·74-2·44) times higher for days 14-41. From 42 days to 4 months post partum, mortality was still 1·20 (1·03-1·39) times higher (ie, a 20% higher risk), but deaths in this interval would be excluded from measurement of pregnancy-related mortality. Extending the WHO 42-day post-partum threshold up to 4 months would increase the post-partum pregnancy-related mortality ratio by 40%. INTERPRETATION This multicountry study has implications for measurement and clinical practice. It makes the case for WHO to extend the 42-day post-partum threshold to capture the full duration of risk of pregnancy-related deaths. There is a need for a new indicator to track late pregnancy-related deaths that occur beyond 42 days, which are otherwise excluded from global maternal health surveillance efforts. Our results also emphasise the need for international agencies to disaggregate estimates by antepartum, intrapartum, postpartum, and extended post-partum periods. Additionally, the schedule and content of postnatal care packages should reflect the extended duration of post-partum risk. FUNDING The UK Economic and Social Research Council.
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Affiliation(s)
- Ursula Gazeley
- Department of Infectious Disease Epidemiology, London School of Hygiene & Tropical Medicine, London, UK.
| | - Georges Reniers
- Department of Population Health, London School of Hygiene & Tropical Medicine, London, UK
| | | | - Julio Romero Prieto
- Department of Population Health, London School of Hygiene & Tropical Medicine, London, UK
| | - Momodou Jasseh
- Medical Research Council Unit The Gambia at London School of Hygiene & Tropical Medicine, Fajara, The Gambia
| | - Sammy Khagayi
- Kenya Medical Research Institute-Center for Global Health Research, Kisumu, Kenya
| | - Veronique Filippi
- Department of Infectious Disease Epidemiology, London School of Hygiene & Tropical Medicine, London, UK
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Olamijulo JA, Olorunfemi G, Osman H. Predictors and causes of in-hospital maternal deaths within 120 h of admission at a tertiary hospital in South-Western, Nigeria: A retrospective cohort study. Niger Postgrad Med J 2022; 29:325-333. [PMID: 36308262 DOI: 10.4103/npmj.npmj_180_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
BACKGROUND An efficient, comprehensive emergency obstetrics care (CEMOC) can considerably reduce the burden of maternal mortality (MM) in Nigeria. Information about the risk of maternal death within 120 h of admission can reflect the quality of CEMOC offered. AIM This study aims to determine the predictors and causes of maternal death within 120 h of admission at the Lagos University Teaching Hospital, LUTH, Lagos South-Western, Nigeria. METHODS We conducted a retrospective cohort study amongst consecutive maternal deaths at a hospital in South-Western Nigeria, from 1 January 2007 to 31 December 2017, using data from patients' medical records. We compared participants that died within 120 h to participants that survived beyond 120 h. Survival life table analysis, Kaplan-Meier plots and multivariable Cox proportional hazard regression were conducted to evaluate the factors affecting survival within 120 h of admission. Stata version 16 statistical software (StatCorp USA) was used for analysis. RESULTS Of the 430 maternal deaths, 326 had complete records. The mean age of the deceased was 30.7± (5.9) years and median time to death was 24 (5-96) h. Two hundred and sixty-eight (82.2%) women out of 326 died within 120 h of admission. Almost all maternal deaths from uterine rupture (95.2%) and most deaths from obstetric haemorrhage (87.3%), induced miscarriage (88.9%), sepsis (82.9%) and hypertensive disorders of pregnancy (77.9%) occurred within 120 h of admission. Admission to the intensive care unit (P = 0.007), cadre of admitting doctor (P < 0.001), cause of death (P = 0.036) and mode of delivery (P = 0.012) were independent predictors of hazard of death within 120 h. CONCLUSION The majority (82.2%) of maternal deaths occurred within 120 h of admission. Investment in the prevention and acute management of uterine rupture, obstetric haemorrhage, sepsis and hypertensive disorders of pregnancy can help to reduce MM within 120 h in our environment.
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Affiliation(s)
- Joseph Ayodeji Olamijulo
- Department of Obstetrics and Gynaecology, College of Medicine, University of Lagos, Lagos, Nigeria
| | - Gbenga Olorunfemi
- Division of Epidemiology and Biostatistics, University of Witwatersrand, Johannesburg, South Africa
| | - Halimat Osman
- Department of Obstetrics and Gynaecology, Lagos University Teaching Hospital, Lagos, Nigeria
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Gresh A, Cohen M, Anderson J, Glass N. Postpartum care content and delivery throughout the African continent: An integrative review. Midwifery 2021; 97:102976. [PMID: 33740519 DOI: 10.1016/j.midw.2021.102976] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 02/28/2021] [Accepted: 03/01/2021] [Indexed: 11/19/2022]
Abstract
OBJECTIVE The objective of this review was to describe and evaluate the content of postpartum care and models of delivery throughout the African continent. DESIGN Integrative review was used to allow for the combination of studies using diverse research methodologies. DATA SOURCES A comprehensive search strategy using the phrases 'postpartum period', 'healthcare delivery', and 'Africa,' including all spelling variants and countries within the continent, was used in the following databases: PubMed, Cumulative Index of Nursing and Allied Health Literature Plus, and Embase for studies published through September 2019. REVIEW METHOD The integrative review process included five stages: problem identification, literature search, data evaluation, data analysis and presentation. Twelve studies from eight African countries were identified in the search and met the inclusion criteria for the review. The Mixed Methods Appraisal Tool was used to evaluate the quality of the studies included in the review. The theoretical framework developed by the World Health Organization Maternal Morbidity Working Group for healthcare interventions to address maternal morbidity was used for data analysis and to synthesize the results for presentation. RESULTS Definitions of the postpartum period varied among studies with service delivery ranging from six weeks to one year postpartum. There was no standard package of postpartum care across studies. Based on the World Health Organization theoretical framework, five primary topics were covered in postpartum care interventions: preventive care and counseling, health systems innovation, a life course approach, family planning, and health literacy and education. In contrast, five gaps in content of postpartum care services and service delivery included: integration of screening and treatment of noncommunicable diseases with maternal healthcare, intimate partner violence screening, social protection, a rights-based approach, and social vulnerability. No study addressed all aspects of the World Health Organization framework to address maternal morbidity. CONCLUSIONS The results from this review indicate the need to address gaps in postpartum care services throughout the African continent in order to reduce maternal morbidity. Re- conceptualizing the paradigm of maternal health to take a life course approach and focusing future research on developing and building interventions to target postpartum care and healthcare delivery of postpartum care are necessary and important in efforts to reduce maternal morbidity and improve health outcomes for mother and child.
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Affiliation(s)
- Ashley Gresh
- Johns Hopkins University School of Nursing, 525 North Wolfe Street, Baltimore, MD, 21205, USA.
| | - Megan Cohen
- Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, MD, 21287, USA.
| | - Jean Anderson
- Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, MD, 21287, USA.
| | - Nancy Glass
- Johns Hopkins University School of Nursing, 525 North Wolfe Street, Baltimore, MD, 21205, USA.
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Brown HK, Ray JG, Chen S, Guttmann A, Havercamp SM, Parish S, Vigod SN, Tarasoff LA, Lunsky Y. Association of Preexisting Disability With Severe Maternal Morbidity or Mortality in Ontario, Canada. JAMA Netw Open 2021; 4:e2034993. [PMID: 33555330 PMCID: PMC7871190 DOI: 10.1001/jamanetworkopen.2020.34993] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 12/06/2020] [Indexed: 11/14/2022] Open
Abstract
Importance Severe maternal morbidity and mortality are important indicators of maternal health. Pregnancy rates are increasing in women with disabilities, but their risk of severe maternal morbidity and mortality is unknown, despite their significant social and health disparities. Objective To determine the risk of severe maternal morbidity or mortality among women with a physical, sensory, or intellectual/developmental disability compared with women without disabilities. Design, Setting, and Participants This population-based cohort study used linked health administrative data in Ontario, Canada, from 2003 to 2018. The cohort included all singleton births to women with preexisting physical, sensory, and intellectual/developmental disabilities as well as with 2 disabilities or more compared with women without a disability. Data analysis was conducted from September 2019 to September 2020. Exposures Disabilities were identified with published algorithms applied to diagnoses in 2 physician visits or more or at least 1 emergency department visit or hospitalization. Main Outcomes and Measures Severe maternal morbidity (a validated composite of 40 diagnostic and procedural indicators) or all-cause maternal mortality, arising between conception and 42 days post partum. Relative risks were adjusted for maternal age, parity, income quintile, rurality, chronic medical conditions, mental illness, and substance use disorders. Results The cohort comprised women with physical disabilities (144 972 women; mean [SD] age, 29.8 [5.6] years), sensory disabilities (45 259 women; mean [SD] age, 29.1 [6.0] years), intellectual/developmental disabilities (2227 women; mean [SD] age, 26.1 [6.4] years), and 2 or more disabilities (8883 women; mean [SD] age, 29.1 [6.1] years), and those without disabilities (1 601 363 women; mean [SD] age, 29.6 [5.4] years). The rate of severe maternal morbidity or death was 1.7% (27 242 women) in women without a disability. Compared with these women, the risk of severe maternal morbidity or death was higher in women with a physical disability (adjusted relative risk [aRR], 1.29; 95% CI, 1.25-1.34), a sensory disability (aRR, 1.14; 95% CI, 1.06-1.21), an intellectual/developmental disability (aRR, 1.57; 95% CI, 1.23-2.01), and 2 or more disabilities (aRR, 1.74; 95% CI, 1.55-1.95). Similar aRRs were observed for severe maternal morbidity or death arising in pregnancy, from birth to 42 days post partum, and from 43 to 365 days post partum. Women with disabilities were more likely than those without disabilities to experience multiple severe maternal morbidity indicators. The most prevalent indicators in all groups were intensive care unit admission, severe postpartum hemorrhage, puerperal sepsis, and severe preeclampsia. Conclusions and Relevance In this study, women with a preexisting disability were more likely to experience severe maternal morbidity or mortality. Preconception and perinatal care provisions should be considered among women with a disability to mitigate the risk of these rare but serious outcomes.
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Affiliation(s)
- Hilary K. Brown
- Department of Health and Society, University of Toronto Scarborough, Toronto, Ontario, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
- Women’s College Research Institute, Women’s College Hospital, Toronto, Ontario, Canada
- ICES, Toronto, Ontario, Canada
| | - Joel G. Ray
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
- ICES, Toronto, Ontario, Canada
- Li Ka Shing Knowledge Institute, St Michael’s Hospital, Toronto, Ontario, Canada
| | | | - Astrid Guttmann
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
- ICES, Toronto, Ontario, Canada
- Hospital for Sick Children, Toronto, Ontario, Canada
- Department of Pediatrics, University of Toronto, Toronto, Ontario, Canada
| | - Susan M. Havercamp
- Center for Psychiatry and Behavioral Health, Wexner Medical Center, The Ohio State University, Columbus
| | - Susan Parish
- College of Health Professions, Virginia Commonwealth University, Richmond
| | - Simone N. Vigod
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
- Women’s College Research Institute, Women’s College Hospital, Toronto, Ontario, Canada
- ICES, Toronto, Ontario, Canada
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
| | - Lesley A. Tarasoff
- Department of Health and Society, University of Toronto Scarborough, Toronto, Ontario, Canada
- Azrieli Adult Neurodevelopmental Centre, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
| | - Yona Lunsky
- ICES, Toronto, Ontario, Canada
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
- Azrieli Adult Neurodevelopmental Centre, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
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Serván-Mori E, Chivardi C, Fene F, Heredia-Pi I, Mendoza MÁ, Nigenda G. Tackling maternal mortality by improving technical efficiency in the production of primary health services: longitudinal evidence from the Mexican case. Health Care Manag Sci 2020; 23:571-584. [PMID: 32720200 DOI: 10.1007/s10729-020-09503-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 02/06/2020] [Indexed: 10/23/2022]
Abstract
Ensuring regular and timely access to efficient and quality health services reduces the risk of maternal mortality. Specifically, improving technical efficiency (TE) can result in improved health outcomes. To date, no studies in Mexico have explored the connection of TE with either the production of maternal health services at the primary-care level or the maternal-mortality ratio (MMR) in populations without social security coverage. The present study combined data envelopment analysis (DEA), longitudinal data and selection bias correction methods with the purpose of obtaining original evidence on the impact of TE on the MMR during the period 2008-2015. The results revealed that MMR fell 0.36% (P < 0.01) for every percentage point increase in TE at the jurisdictional level or elasticity TE-MMR. This effect proved lower in highly marginalized jurisdictions and disappeared entirely in those with low- or medium-marginalization levels. Our findings also highlighted the relevance of certain social and economic aspects in the attainment of TE by jurisdictions. This clearly demonstrates the need for comprehensive, cross-cutting policies capable of modifying the structural conditions that generate vulnerability in specific population groups. In other words, achieving an effective and sustainable reduction in the MMR requires, inter alia, that the Mexican government review and update two essential elements: the criteria behind resource allocation and distribution, and the control mechanisms currently in place for executing and ensuring accountability in these two functions.
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Affiliation(s)
- Edson Serván-Mori
- Center for Health Systems Research, National Institute of Public Health, Cuernavaca, Morelos, Mexico
| | - Carlos Chivardi
- Center for Health Systems Research, National Institute of Public Health, Cuernavaca, Morelos, Mexico
| | - Fato Fene
- School of Public Health, National Institute of Public Health of Mexico, Cuernavaca, Morelos, Mexico
| | - Ileana Heredia-Pi
- Center for Health Systems Research, National Institute of Public Health, Cuernavaca, Morelos, Mexico
| | - Miguel Ángel Mendoza
- School of Economics, National Autonomous University of Mexico, Mexico City, Mexico
| | - Gustavo Nigenda
- National School of Nursing and Obstetrics, National Autonomous University of Mexico, Mexico City, Mexico.
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Pérez-Pérez E, Serván-Mori E, Nigenda G, Ávila-Burgos L, Mayer-Foulkes D. Government expenditure on health and maternal mortality in México: A spatial-econometric analysis. Int J Health Plann Manage 2019; 34:619-635. [PMID: 30615218 DOI: 10.1002/hpm.2722] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 11/20/2018] [Accepted: 11/21/2018] [Indexed: 02/17/2024] Open
Abstract
OBJECTIVE To assess the relationship between government expenditure on maternal health (GE) and maternal mortality (MM) in Mexican poor population between 2000 and 2015 in the 2457 Mexican municipalities. METHODS Using administrative data, we performed the analysis in three stages: First, we tested the presence of selection bias in MM. Next, we assessed the presence of spatial dependence in the incidence and severity of MM. Finally, we estimated a spatial error model considering the correction of estimates for the spatial dependence and selection bias assessed before. RESULTS MM and GE were not randomly distributed throughout the Mexican territory; the most socially vulnerable municipalities exhibited the highest levels of MM severity but the lowest levels of GE and available human and physical resources for maternal health; the incidence of MM was independent of GE; elasticity of GE-severity in MM was -4% (P < 0.01). CONCLUSIONS Resource allocation for maternal health must move towards a more comprehensive vision, and efforts to achieve an effective delivery of universal health services must improve, particularly regarding the most vulnerable municipalities.
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Affiliation(s)
- Eduardo Pérez-Pérez
- National Center for Health Technology Excellence, Ministry of Health, México
| | | | - Gustavo Nigenda
- National School of Nursing and Obstetrics, National Autonomous University of México, México City, México
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Lamadrid-Figueroa H, Montoya A, Fritz J, Ortiz-Panozo E, González-Hernández D, Suárez-López L, Lozano R. Hospitals by day, dispensaries by night: Hourly fluctuations of maternal mortality within Mexican health institutions, 2010-2014. PLoS One 2018; 13:e0198275. [PMID: 29851984 PMCID: PMC5979009 DOI: 10.1371/journal.pone.0198275] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Accepted: 05/16/2018] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Quality of obstetric care may not be constant within clinics and hospitals. Night shifts and weekends experience understaffing and other organizational hurdles in comparison with the weekday morning shifts, and this may influence the risk of maternal deaths. OBJECTIVE To analyze the hourly variation of maternal mortality within Mexican health institutions. METHODS We performed a cross-sectional multivariate analysis of 3,908 maternal deaths and 10,589,444 births that occurred within health facilities in Mexico during the 2010-2014 period, using data from the Health Information Systems of the Mexican Ministry of Health. We fitted negative binomial regression models with covariate adjustment to all data, as well as similar models by basic cause of death and by weekdays/weekends. The outcome was the Maternal Mortality Ratio (MMR), defined as the number of deaths occurred per 100,000 live births. Hour of day was the main predictor; covariates were day of the week, c-section, marginalization, age, education, and number of pregnancies. RESULTS Risk rises during early morning, reaching 52.5 deaths per 100,000 live births at 6:00 (95% UI: 46.3, 62.2). This is almost twice the lowest risk, which occurred at noon (27.1 deaths per 100,000 live births [95% U.I.: 23.0, 32.0]). Risk shows peaks coinciding with shift changes, at 07:00, and 14:00 and was significantly higher on weekends and holidays. CONCLUSIONS Evidence suggests strong hourly fluctuations in the risk of maternal death with during early morning hours and around the afternoon shift change. These results may reflect institutional management problems that cause an uneven quality of obstetric care.
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Affiliation(s)
| | | | - Jimena Fritz
- National Institute of Public Health, Cuernavaca, Morelos, México
| | | | | | | | - Rafael Lozano
- Institute for Health Metrics and Evaluation, Seattle, WA, United States of America
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Rodríguez-Aguilar R. Maternal mortality in Mexico, beyond millennial development objectives: An age-period-cohort model. PLoS One 2018; 13:e0194607. [PMID: 29561878 PMCID: PMC5862485 DOI: 10.1371/journal.pone.0194607] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 02/16/2018] [Indexed: 12/04/2022] Open
Abstract
The maternal mortality situation is analyzed in México as an indicator that reflects the social development level of the country and was one of the millennial development objectives. The effect of a maternal death in the related social group has multiplier effects, since it involves family dislocation, economic impact and disruption of the orphans' normal social development. Two perspectives that causes of maternal mortality were analyzed, on one hand, their relationship with social determinants and on the other, factors directly related to the health system. Evidence shows that comparing populations based on group of selected variables according to social conditions and health care access, statistically significant differences prevail according to education and marginalization levels, and access to medical care. In addition, the Age-Period-Cohort model raised, shows significant progress in terms of a downward trend in maternal mortality in a generational level. Those women born before 1980 had a greater probability of maternal death in relation to recent generations, which is a reflection of the improvement in social determinants and in the Health System. The age effect shows a problem in maternal mortality in women under 15 years old, so teen pregnancy is a priority in health and must be addressed in short term. There is no clear evidence of a period effect.
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Global, regional, and national levels of maternal mortality, 1990-2015: a systematic analysis for the Global Burden of Disease Study 2015. Lancet 2016; 388:1775-1812. [PMID: 27733286 PMCID: PMC5224694 DOI: 10.1016/s0140-6736(16)31470-2] [Citation(s) in RCA: 645] [Impact Index Per Article: 80.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2016] [Revised: 07/13/2016] [Accepted: 07/19/2016] [Indexed: 11/24/2022]
Abstract
BACKGROUND In transitioning from the Millennium Development Goal to the Sustainable Development Goal era, it is imperative to comprehensively assess progress toward reducing maternal mortality to identify areas of success, remaining challenges, and frame policy discussions. We aimed to quantify maternal mortality throughout the world by underlying cause and age from 1990 to 2015. METHODS We estimated maternal mortality at the global, regional, and national levels from 1990 to 2015 for ages 10-54 years by systematically compiling and processing all available data sources from 186 of 195 countries and territories, 11 of which were analysed at the subnational level. We quantified eight underlying causes of maternal death and four timing categories, improving estimation methods since GBD 2013 for adult all-cause mortality, HIV-related maternal mortality, and late maternal death. Secondary analyses then allowed systematic examination of drivers of trends, including the relation between maternal mortality and coverage of specific reproductive health-care services as well as assessment of observed versus expected maternal mortality as a function of Socio-demographic Index (SDI), a summary indicator derived from measures of income per capita, educational attainment, and fertility. FINDINGS Only ten countries achieved MDG 5, but 122 of 195 countries have already met SDG 3.1. Geographical disparities widened between 1990 and 2015 and, in 2015, 24 countries still had a maternal mortality ratio greater than 400. The proportion of all maternal deaths occurring in the bottom two SDI quintiles, where haemorrhage is the dominant cause of maternal death, increased from roughly 68% in 1990 to more than 80% in 2015. The middle SDI quintile improved the most from 1990 to 2015, but also has the most complicated causal profile. Maternal mortality in the highest SDI quintile is mostly due to other direct maternal disorders, indirect maternal disorders, and abortion, ectopic pregnancy, and/or miscarriage. Historical patterns suggest achievement of SDG 3.1 will require 91% coverage of one antenatal care visit, 78% of four antenatal care visits, 81% of in-facility delivery, and 87% of skilled birth attendance. INTERPRETATION Several challenges to improving reproductive health lie ahead in the SDG era. Countries should establish or renew systems for collection and timely dissemination of health data; expand coverage and improve quality of family planning services, including access to contraception and safe abortion to address high adolescent fertility; invest in improving health system capacity, including coverage of routine reproductive health care and of more advanced obstetric care-including EmOC; adapt health systems and data collection systems to monitor and reverse the increase in indirect, other direct, and late maternal deaths, especially in high SDI locations; and examine their own performance with respect to their SDI level, using that information to formulate strategies to improve performance and ensure optimum reproductive health of their population. FUNDING Bill & Melinda Gates Foundation.
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