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    Strategies to Reduce Maternal Mortality Worldwide

    Jerker Liljestrand, MD, PhD

    Principal Health Specialist

    Health, Nutrition and Population

    Human Development NetworkThe World Bank

    1818 H Street NWWashington DC 20433, USA

    Phone + 202 458 0198

    Fax + 202 522 [email protected]

    Abstract

    The challenge of reducing maternal mortality (MMR) is increasingly being addressed by

    area-based efforts to improve access to care of obstetric emergencies. Improvingcoverage and quality of skilled attendance at birth is also being increasingly emphasized.Post-abortion care, better reproductive health services for adolescents, and improved

    family planning care are important ingredients in MMR reduction. New developments in

    malaria, nutrition, violence and HIV/AIDS in relation to maternal health are highlighted,as well as measurement issues. MMR reduction is also being promoted today by using a

    human rights approach.

    Introduction

    While worldwide infant mortality and

    total fertility rates have been cut in halfin recent decades, and life expectancy at

    birth has increased greatly, maternal

    mortality has shown no major reductionover a similar period [1].

    After the publication of the now famous

    article Where is the M in MCH? [2],and the introduction of the Safe

    Motherhood Initiative in Nairobi in

    1987, maternal mortality reduction has

    been getting more attention thanpreviously. The heightened awareness of

    this long neglected tragedy [3] has led toincreased commitment [4], more

    research on specific interventions, and

    critical assessment of the strategies used.The main challenge today is not the lack

    of knowledge of key, effective

    interventions to save mothers, but ratherhow to deliver these health care

    interventions to the poor and under-

    served.

    This article evaluates the recent

    developments in mortality reduction,starting with the intriguing topic of

    measurement issues, thereafter analyzing

    health system strategies - broader andmore specific -, and ending by

    discussing maternal health care in its

    societal context including issues of

    violence and rights.

    Measuring maternal mortality

    The shocking reality of a woman dying

    in childbirth or from pregnancy-related

    causes is, even at its extreme levels, arare event when compared to e.g. infant

    mortality rates (IMR). Without any

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    health care whatsoever, some 2% of

    women will die during their pregnancy

    due to complications. This figure isroughly 1/5 of IMR in the poorest

    countries. The confidence interval of any

    MMR estimate will therefore always bewider than for IMR, and this is further

    impacted by underreporting in all

    countries where it has been studied.Another feature is that MMR is

    expressed as maternal deaths/100,000

    live born. Thus, even if the absolute

    number of maternal deaths decline dueto fertility decline, MMR will remain the

    same if the risk for the woman, once

    pregnant, is unchanged. Life-time risk

    of maternal death expresses the risk forthe individual woman to die a maternal

    death, and is derived from the MMR andthe fertility rate in a given country.

    So how do we measure the problem, and

    how do we monitor progress?

    The various ways of measuring maternal

    mortality [5] all give a rough estimate of

    the MMR level. As precision isrelatively weak, there is rarely reason to

    repeat the measurement more frequently

    than every 5-10 years. To monitorprograms, it has been agreed to use

    access or uptake of essential obstetric

    care, case-fatality rate, and coverage ofskilled attendance at birth [6]. Skilled

    attendance at birth was also in 1999 by

    the UN meeting following up on 5 years

    of progress of the InternationalConference on Population and

    Development (ICPD+5) set as a

    benchmark for the improvement ofmaternal health care [7]. To perform

    long-term studies of which sets of

    interventions are most effective -something that in maternal health is both

    difficult and costly to perform - there is a

    need to follow projects with as much

    rigor as possible. Wardlaw and Maine

    [8], and Campbell [9] have recently

    expanded on this, underlining the need

    for better obstetric record keeping, andmore critical use of data for following

    projects. Campbell also emphasizes the

    overall need for use of a wider range ofcare and outcome indicators in

    descriptive studies, to be able to tease

    out what works and what does not. Thisis illustrated by recent work from

    Indonesia [10].

    One important way of both assessing andimproving maternal health care

    provision is by use of verbal autopsy

    detailed discussion with the family on

    the symptoms and evolution beforedeath, leading to a tentative cause of

    death diagnosis - of community deaths[11] or clinical audit in health care [12].

    Combining the two is labeled maternal

    death review and a WHO tool isavailable to perform such systematic

    exploration of a maternal death [13]. The

    results of such reviews increase

    understanding and fuels action bothinside and outside the health care

    system.

    Broad strategies for MMR reduction

    During the 1990s, a major push towardsfocusing efforts specifically on the care

    of obstetric emergencies was led by a

    group of researchers from Columbia

    University, USA. A series of experiencesbased on the use of this approach in a

    series of West African countries was

    published recently [14], and the group in1999 received a grant from the Bill and

    Melinda Gates foundation to implement

    similar work in additional countries. Inbrief, using the 3 delays model [15],

    intensive local efforts are made to make

    around the clock care of obstetric

    emergencies available at district hospital

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    level or equivalent, using the minimum

    requirements internationally agreed upon

    [6]. Another group, the UnmetObstetrical Need Network (UON) [16],

    uses a participatory model to assess the

    unmet need for major obstetricalinterventions on vital maternal indication

    in a defined area as a way of locally and

    nationally communicating the need forimproved care of obstetric

    complications. A report on their progress

    in a dozen developing countries can be

    found on the web at www.uonn.org.

    In 1999, concern was raised regarding

    the appropriateness of the strategies of

    the Safe Motherhood Initiative: Whywere the above area-based approaches

    focusing on obstetric emergencies notbeing used? Why were the interventions

    suggested so complicated [17, 18]? Part

    of the response is to be found in a recentJoint Statement from UN agencies [19]

    as well as in ICPD+5: yes, better care of

    obstetric emergencies is a must, but not

    enough. Increasing age at marriage/firstbirth, improving family planning,

    especially for adolescents, and

    addressing unsafe abortion are alsonecessary. Long term plans to improve

    the coverage and quality of skilled

    attendance at birth appears also to be keyfor substantial MMR reduction in the

    long term [20, 21]. The two approaches

    are not contradictory but rather

    supplementary. The operations researchperformed by the Columbia group has

    been crucial to inspire confidence in the

    fact that progress can be achieved in theshort term. However, countries like

    Malaysia, Sri Lanka, Vietnam [22], the

    Gambia [23] and most recentlyHonduras (personal communication, I

    Danel) that have succeeded to diminish

    MMR levels have addressed a number of

    other points, too.

    One analysis of the ways of organizing

    essential obstetric care in countrieshaving reached MMR under 100/100

    000, yielded four basic models of care

    [24]. In Model 1, deliveries wereconducted at home by community

    member that had received a brief

    training, with back-up of a referralsystem. Although there have been some

    successes with this model, in China and

    in parts of Brazil, there is no evidence

    that MMR can be brought down under100 per 100,000 live-births using this

    method. In Model 2, skilled attendance

    is provided at home births, and in Model

    3, skilled attendance is given in a basicfacility, in both models with back-up of

    referral systems. In Model 4, all womengive birth in a facility with

    comprehensive obstetric services (which

    includes cesarean section etc). Model 4,though the most advanced, interestingly

    does not necessarily bring down MMR

    under 100/100,000 and is also out of

    reach for many poor countries. Thisleaves models 2 and 3. No clear data

    indicate which of these is most effective

    or cost-effective. Transition to any ofmodels 2-4 requires strong links with the

    community through either traditional

    providers or popular demand.

    Overall, it is recognized that MMR

    reduction requires more and better health

    care, i.e. a stronger health system at alllevels [25, 26, 27]. Maternal health can

    therefore be seen as a tracer condition

    for the health system, and improvementsin maternal health care can be expected

    to benefit other conditions also, e.g.,

    accident care, district hospital care orprimary health care in general [28]. To

    improve maternal health care

    approaches, more health services

    research is needed [29].

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    As in all health care system areas, use of

    a continuous quality improvementmethodology is important. Auditing

    routines as well as efforts to improve

    teamwork are examples of this [26, 27,30].

    In resource-poor countries in particular,traditional birth attendants (TBAs) can

    provide a link to formal maternal health

    care systems even if they themselves can

    only to a limited extent care forunexpected obstetric complications [31].

    Based on evidence to date, there is no

    reason to believe that TBA training in

    isolation can contribute significantly toMMR reduction [19].

    Specific strategies

    It is generally recognized today thatantenatal care in itself can only to a

    limited extent reduce maternal mortality,

    while many of its interventions benefit

    health of the baby. A cohort study fromBangladesh underlines that detecting

    current complications is more important

    during antenatal care than finding highrisk [32]. A recent multi-country study

    coordinated by WHO also shows that

    more than four visits is not useful forlow-risk pregnancy, either for the mother

    or child [33]. Postpartum care is a

    neglected area [34] and should receive

    much more attention both in researchand action as most maternal deaths in

    fact happen there.

    Elimination of abortion related deaths

    requires different interventions in policy

    and care provision, depending on thecountry situation [35]. For better post-

    abortion care accepted by almost all

    countries at ICPD in Cairo 1994 -

    community involvement is needed to

    sensitize people and decision makers

    regarding the relative simplicity of

    saving lives [36]. The arrival of thecheap abortifacient misoprostol [37, 38]

    appears to already have changed the

    abortion panorama in many developingcountries.

    Misoprostol given orally has also beenrecently compared to IM oxytocin for

    use for the routine, active management

    of the third stage of labor [39]. While the

    latter is still the drug of choice for thisroutine, and increasingly promoted by

    WHO [40], oral misoprostol appears to

    be a good alternative when unsafe

    injections is a problem.

    In eclampsia management, the access toand use of magnesium sulphate is

    fortunately gaining ground, and a WHO

    collaborative trial is ongoing to establishits role also in cases of severe

    preeclampsia.

    As regards nutritional interventions,vitamin A supplementation and anemia

    reduction have potential maternal

    benefits. The dramatic results seen inNepal when supplementing pregnant

    women with vitamin A a 40 %

    reduction of MMR - [41] has still notbeen corroborated elsewhere, nor led to

    clear programmatic implications.

    Vitamin A deficiency is quite common

    and low-dose substitution is safe [42],and evidently vitamin A deficiency is a

    neglected area that increasingly must be

    addressed inside and outside maternalhealth care. Iron supplementation has

    been reviewed recently [43, 44], and is

    one important aspect of reduction ofmaternal anemia. Less anemia means

    reduced risk of dying from post partum

    hemorrhage, often the biggest killer. For

    anemia reduction, malaria prevention

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    and management in pregnancy must also

    be intensified in many developing

    countries. Where drug resistance and/orlow compliance so indicates, single dose

    treatment with sulphadoxine-

    pyrimethamine 2-3 times duringpregnancy is now being recommended

    for 0- and 1-parae [45], and also

    supported by the WHO. This regimenreduces maternal anemia and low birth

    weight, but can only be expected to be

    effective for a limited number of years

    ahead, however as drug resistancedevelops fairly rapidly.

    One major threat to maternal health, and

    infant health, is the rapidly evolvingAIDS epidemic. Any strategy for

    maternal mortality reduction in Sub-saharan Africa or South Asia today

    needs to take the rapidly evolving

    pandemic into account. In countries suchas South Africa and Zambia [46], AIDS

    and related complications already

    contribute significantly to indirect causes

    of maternal death. Multisectoralapproaches and NGO involvement must

    be directed towards a few clear and

    generally accepted goals to be effectivein mitigating this major developmental

    crisis that is threatening to eliminate

    decades of hard-won victories in health[47]. In maternal health care, it is

    important to capitalize on existing work,

    by collaborating between MMR and

    HIV reduction strategies [48].

    Human rights issues

    Maternal mortality is associated with

    womens status and economic

    dependency [49]. Decisive interventions,such as skilled attendance at birth, are in

    fact significantly more inequitably

    distributed than antenatal care or child

    immunization (personal communication,

    DR Gwatkin). Poverty is thus a major

    contributory factor behind maternal

    deaths, and providing maternal healthcare is a necessary component of poverty

    alleviation strategies.

    In recent years, maternal health has

    increasingly been promoted using a

    human rights perspective. If a certainfrequency of potentially lethal

    complications always will occur in the

    process of human procreation,

    specifically during pregnancy andchildbirth, why do we permit the

    continuation of such a tragedy? Recent

    work highlights how human rights

    arguments can be used to makegovernments increase access and

    coverage of maternal health careprovision [50]. Evidently much remains

    to be done in this and other areas of

    implementing the Cairo agenda onreproductive health, however [51, 52].

    Human rights are also at the center of the

    abortion issue, where some progress can

    be seen internationally in recent years, inthe legalization and de-penalization of

    induced abortions to save womens lives

    [53, 54]. A key issue is also the provisionof youth friendly reproductive health

    services to young people [55], including

    counseling and care on contraception,STDs and pregnancy.

    Another aspect of rights issues concerns

    violence against women. An increasingbody of evidence indicates that many

    negative maternal and perinatal health

    outcomes are linked to discrimination,coercion and violence against women.

    International studies have shown that as

    many as one out of four women arephysically or sexually assaulted during

    pregnancy, most frequently by their

    husbands or intimate partners. Violence

    during pregnancy can lead to such

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    serious consequences as infections,

    unsafe abortions, miscarriages, low birth

    weight, suicide and homicide. Therefore,efforts to address gender-based violence

    must be included in a global strategy for

    reducing maternal mortality. [56].Overall, actions and research on more

    involvement of men in maternal health

    stands out as important.

    Conclusion

    Reducing maternal mortality requiresstrengthening of the health care system.

    This process takes time, and must be

    fueled by public commitment sustained

    by, e.g., maternal death reviews. Onevaluable entry point is the improvement

    of care of obstetric emergencies, butskilled attendance at birth in general also

    demands long term planning. Newer

    technical interventions need to beintegrated into existing systems, while

    AIDS poses an increasing threat. The

    attention and care given to women

    before, during and after pregnancy,inside and outside the health system,

    reflects the relative value a society

    accords to women

    References

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    In: Berer M, Ravindran TKS (eds).

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    *Idem.

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    Reduction of maternal mortality. A Joint

    WHO/UNFPA/UNICEF/World BankStatement. WHO, Geneva, 1999. *

    * Joint agreement by 4 UN agencies onwhat needs to be done.

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    in two different populations of Senegal:

    a prospective study (MOMA survey). Br

    J Obstet Gynaecol 2000 107;1:68-74.** Studies comparing different maternal

    health care approaches in an area are

    unfortunately rare and costly. This oneshows the value of skilled attendance.

    21. Fullerton J. Skilled attendant atdelivery, A review of the evidence.

    Family Care International, New York,

    2000. In press.**

    ** Full review on what is known onvalue of skilled attendance at birth.

    22. Hieu DT, Hanenberg R, Vach TH,Vinh DQ, Sokal D. Maternal mortality in

    Vietnam in 1994-95. Studies in Family

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    Ronsmans C. Maternal mortality in rural

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    * Gradual MMR reduction in Gambia,also through better maternal care and

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    Heichelheim J. Organizing delivery care:

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    WHO 1999;77(5):399-406.**** Analytical comparison of options in

    maternal health care.

    25. Mungra A, van Kanten RW, KanhaiHHH, van Roosmalen J. Nationawide

    maternal mortality in Surinam. Br JObstet Gynaecol 1999;106:55-59.*

    * Maternal mortality continues

    underreported in most countries, asexamplified by a thorough search in

    Surinam.

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    Guidelines for Maternal and Neonatal

    Survival. UNICEF, New York, 1999.** Programming guide reflecting holistic

    approach, intended for UNICEF staff.

    27. United Nations Population Fund.

    Evaluation Report: Safe Motherhood.

    UNFPA, New York, 1999, Vol. 18.

    28. World Bank. Safe Motherhood and

    The World Bank. Lessons from 10 Years

    of Experience. Thew World Bank,Washington DC, 1999.*

    * This analysis shows that the World

    Bank should invest in more coherentmaternal health programs.

    29. Hotchkiss DR, Eckert E, Macintyre

    K. The role of health services research

    in the safe motherhood Initiative. Am J

    Publ Health 2000; 90(5):810-811.*

    *Succinct overview of needs for healthservice research in maternal health.

    30. Pechevis M, Fernandez H, Cook J etal. Maternal mortality and referral

    maternities in Morocco: how to motivate

    professionals? Sante Publique1999;11(2):211-23.

    31. Schaider J, Ngonyani S, Tomlin S,

    Rydman R, Roberts R. Internationalmaternal mortality reduction: outcome of

    traditional birth attendant education and

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    screening in rural Bangladesh: from

    prediction to care. Hlth Policy and Plann2000;15(1):1-10.*

    * A good study showing the limitations

    of the risk approach (emphasized for so

    long previously).

    33. Villar J et al. The evaluation of a

    new model of routine antenatal care: theWHO Antenatal Care Randomized

    Controlled Trial. Lancet 2000, accepted.

    ** Ambitious multi-country study shows

    the limited value of many antenatal

    visits.

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    newborn WHO/RHT/MSM/98.3. WHO,Geneva 1998.

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    592.*

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    * A comprehensive overview of the

    issues involved.

    36. Baird TL, Billings DL, Demuyakor

    B.. Community education efforts

    enhance postabortion care program inGhana. Am J Publ Hlth 2000;70(4):631-

    62. *

    * A good field example of strengtheningpost abortion care.

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    * Misoprostol is rapidly gaining groundfor abortion in developing countries, and

    this is a good overview of the drug.

    39. Villar J, Gulemezoglu AM et al. TheWHO multicentre double-blind

    randomized controlled trial to evaluate

    the use of misoprostol in themanagement of the third stage of labour.

    Accepted.

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    Cochrane Database Syst Rev

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    active promotion of active management

    of third stage of labor everywhere inhealth care, in developed and developing

    countries.

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    Double blind, cluster randomized trial of

    low dose supplementation with vitamin

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    * This exciting study is already a classic.

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    2000;71(suppl):1288S-1294S. ** Anemia in pregnancy has been hotly

    debated in the past years. This andprevious article remind us of what is

    known.

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    programmes. Annals of Tropical

    Medicine & Parasitology 1999;93(suppl1):S59-S66.*

    * Unfortunately malaria programs and

    maternal health care programs do notalways work well together. New malaria

    guidelines need rapid incorporating and

    adapting at country level. Here one ofthe original studies showing value of

    intermittent Fansidar.

    46. Ahmed Y, Mwaba P, Chintu C et al.A study of maternal mortality at the

    University Teaching Hospital in Lusaka,

    Zambia: the emergence of tuberculosisas a major non-obstetric cause of

    maternal death. Int J Tuberc Lung Dis

    1999; 3 (8):675-80.** One of several recent reports from

    Subsaharan Africa on rapidly increasing

    burden of HIV/AIDS complications in

    maternal health care.

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    47. Ainsworth M, Teokul W. Breaking

    the silence: setting realistic priorities forAIDS control in less-developed

    countries. Lancet 2000;356:55-60.**

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    developing countries, also drawing from

    the relative success in Thailand.

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    mortality, womens status, and economicdependency in less developed countries:

    a cross-national analysis. Soc Sci Med1999;49:197-214.*

    * A good multi-country analysis

    reminding maternal health careprofessionals to look outside the medical

    field.

    50. Yamin AE, Maine DP. Maternalmortality as a human rights issue:

    measuring compliance with international

    treaty obligations. Human RightsQuarterly;1999;21:563-607.*

    * Legal/human rights article giving

    material for NGOs and nationalcommittees to enforce work from a

    human rights perspective.

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    Perspectives 1999;25(suppl):S2-S6.

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    IPAS on the reduction of abortion-

    related mortality.

    54. Cook RJ, Dickens BM, Bliss LE.

    International developments in abortion

    law from 1988 to 1998. Am J Publhealth 1999;89 (4):579-86.

    55. Okonufua F. Adolescent reproductive

    health in Africa: Future challenges.

    African Journal of reproductive health2000;4 (1):7-9.*

    * Good summary of the tremendous

    challenge of improving RH conditions

    for adolescents. The African situation isespecially acute due to the HIV/AIDS

    crisis.

    56. Heise L, Ellsberg M, Gottemoeller

    M. Ending violence against women.

    Population Reports, Series L, Number11. Baltimore, John Hopkins University

    School of Public Health, Population

    Information Program, 1999. **

    ** Excellent review of a recentlysurfaced problem, reader-friendly in

    Population Reports series. Links

    between maternal health and violencewell reviewed. Text available on the web

    at www.jhuccp.org.