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Prevalence of hyperglycemia in pregnancy, risk factors and simplified method for identification of pregnant women at risk in Arusha, Tanzania

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dc.contributor.author Msollo, Safiness Simon
dc.date.accessioned 2020-09-22T07:23:30Z
dc.date.available 2020-09-22T07:23:30Z
dc.date.issued 2020-08
dc.identifier.uri https://dspace.nm-aist.ac.tz/handle/20.500.12479/928
dc.description A dissertation submitted in partial fulfilment of the requirements for the Degree of Doctor of Philosophy in Life Sciences of the Nelson Mandela African Institution of Science and Technology en_US
dc.description.abstract Hyperglycemia in pregnancy is increasing in Tanzania; however, timely diagnosis is limited. This study therefore, aimed to establish the prevalence of hyperglycemia in pregnancy, risk factors and develop a simple method for identification of women with gestational diabetes mellitus in Tanzania. A cross-sectional study was conducted in Arusha City, between March and December, 2018 among 468 pregnant women at second and third trimesters. Blood glucose was tested using Gluco-Plus™ and the World Health Organization’s criteria, while insulin resistance was calculated using the Homeostasis Model of Assessment formula. Anthropometrics were assessed using standard procedure and knowledge on hyperglycemia in pregnancy, demographics, and maternal characteristics were collected through face-to-face interviews using a questionnaire. The prevalence of hyperglycemia in pregnancy was 16.2% (n = 76) of which 13% had gestational diabetes mellitus and 3.2% diabetes in pregnancy. Additionally, the prevalence of insulin resistance was 21% (n=49). Knowledge about hyperglycemia in pregnancy was low on existence (10.7%, n=50), effects (23%, n=14), symptoms (26%, n=13) and risk factors (30%, n=15). Hyperglycemia in pregnancy was significantly associated with body fat percentage ≥ 38, delivery macrosomic babies, insulin resistance, mid-upper arm circumference ≥ 28 cm and family history of type 2 diabetes mellitus. These risk factors, except insulin resistance, were used to develop a risk score which was simplified into risk factors checklist to identify women with gestational diabetes mellitus. The score correctly identified 98% of hyperglycemic women, with an area under the receiver operating characteristic curve of 0.971 (95% CI 0.955-0.993, p < 0.001), sensitivity of 0.980 and specificity of 0.458. The high prevalence of hyperglycemia in pregnancy creates a need for regular screening and management. Hence, the developed screening method can be validated for use when resources are limited to give priority to high risk women while planning for universal screening. en_US
dc.language.iso en en_US
dc.publisher NM-AIST en_US
dc.rights Attribution-NonCommercial-ShareAlike 4.0 International *
dc.rights.uri http://creativecommons.org/licenses/by-nc-sa/4.0/ *
dc.subject Research Subject Categories::SOCIAL SCIENCES en_US
dc.title Prevalence of hyperglycemia in pregnancy, risk factors and simplified method for identification of pregnant women at risk in Arusha, Tanzania en_US
dc.type Thesis en_US


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