Socio-Demographic and Maternal Factors in Anaemia in Pregnancy at Booking in Kano, Northern Nigeria
Abstract
Anaemia in pregnancy still causes significant maternal morbidity and mortality in the developing countries including Nigeria. The burden and underlying factors are varied even within countries. We studied the prevalence of anaemia at booking and underlying factors in a teaching hospital in northern Nigeria. Using the capillary technique and blood film, the packed cell volume (PCV) and red cell morphology of 300 pregnant women was determined. Additional information was obtained on sociodemographic characteristics, obstetric and past medical history using an interviewer administered questionnaire. Of the 300 pregnant women studied, 51 (17%) [95% Confidence Interval (CI)=12.9%-21.7%] were anaemic. Specifically, 12.7% and 4.3% of the women had mild and moderate anaemia respectively. Blood film of 74.5%, 15.7% and 11.8% anaemic women showed normochromic normocytic, haemolytic and microcytic hypochromic pictures respectively. Low educational attainment [Adjusted Odds Ratio (AOR)=2.13], being single or divorced [AOR=2.02], high parity [AOR=2.06], late booking [AOR=2.71] and short intervals between pregnancies [AOR=2.37] were significant predictors of anaemia in pregnancy. The high prevalence of anaemia in pregnancy related to low educational and economic status especially among women with background obstetric risk factors calls for vigilance, sustained health education and chemoprophylaxis for pregnant women (Afr J Reprod Health 2011; 15[4]: 3341).
RésuméFacteurs sociodémographiques et maternels de l’anémie chez les femmes enceintes lors de l’inscription à Kano, au nord du Nigéria. L’anémie pendant la grossesse provoque toujours la morbidité et la mortalité significatives dans les pays en développement, y compris le Nigéria. Le fardeau et les facteurs sous—jacents sont variés même à l’intérieur des pays. Nous avons étudié la prévalence de l’anémie au moment de l’inscription et les facteurs sous-jacents dans un Centre Hospitalier Universitaire qui se trouve au nord du Nigéria. Nous avons déterminé le volume des hématies concentrés (VHC) et la morphologie du globule rouge chez 300 femmes enceintes à l’aide de la technique capillaire et des frottis de sang. Des informations supplémentaires ont été obtenues sur les caractéristiques ssocio-démographiques, les antécédents obstétriques et médicaux à l’aide d’un questionnaire administré par l’enquêteur. Sur les 300 femmes enquêtées, 51(17%) [95% Intervalle de Confiance (IC)= 12,9%-21,7%] étaient anémiques. En particulier, 12,7% et 4,3% des femmes souffraient de l’anémie peu grave et modérée respectivement. Le frottis de sang de 74,5%, 15,7% et 11,8% des femmes anémiques ont des images de normocytique normo chromique, hypo chromique microcytique respectivement. Un niveau d’instruction bas [Indice de la cote adapté (ICA)= 2,13] qu’il soit célibataire ou divorcé [ICA=2,02], une parité élevée [ICA=2,06], inscription tardive [ICA=2,7] et de courts intervalles entre des grossesses [ICA =2,37] étaient des indices significatifs de l’anémie pendant la grossesse. La haute prévalence de l’anémie pendant la grossesse qui est liée au niveau inférieur d’instruction et de situation économique surtout chez les femmes qui ont les antécédents des facteurs de risque obstétrique exigent la vigilance, une éducation de santé soutenue et la chémoprophylaxie pour les femmes enceintes (Afr J Reprod Health 2011; 15[4]: 33-41).
Keywords: Anaemia, pregnancy, prevalence, risk factors, Kano
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