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Federación Mexicana de Ginecología y Obstetricia, A.C.

2018, Number 10

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Ginecol Obstet Mex 2018; 86 (10)

Description of seasonal variation in maternal mortality in Mexico and the state of Yucatan between 2002 and 2016

Aguilar-Vargas E, Azcorra H, Novelo-Pérez JP, Gómez-Carro S, Méndez-Domínguez N

Language: Spanish
References: 24
Page: 640-649
PDF size: 368.84 Kb.


ABSTRACT

Objective: To describe the annual bimonthly distribution of cases of maternal mortality at the national and Yucatan state levels.
Materials and Methods: Retrospective cross-sectional study, which included all direct maternal mortality registries with ICD-10 letter "O" registered in the open access databases of the Mexican Ministry of Health, between 2002-2016. The distribution of expected/observed MM ratio was plotted by bimonthly. Statistical analyses were performed using Stata 14 statistical program.
Results: In Mexico, an average of 2,549,398 births were recorded between 2002 and 2016, with an average bimonthly birth rate in the state of Yucatan of 3.02 ± 0.32, with maximum values in September and October. Throughout the country, an average annual maternal mortality rate of 1123 cases was recorded between 2002 and 2016. The total number of cases of direct maternal mortality was 17,088 at the national level and 269 in the state of Yucatan (1.57%). In the analysis of bimonthly distribution of cases of maternal mortality, a uniform bimonthly frequency (0.94-1.06) was observed at the national level, while a unimodal distribution was observed in the September-October bimonthly (0.76-1.42) for the state of Yucatan. The relative risk of maternal mortality in the state of Yucatan is significantly higher in September-October bimonthly (RR = 0.57- CI95% 0.73:1.00; p ‹ 0.05), period in which almost a quarter of the mortality cases occurred.
Conclusions: The seasonal distribution of national maternal mortality shows subtle bimonthly variation, but in the state of Yucatan, significantly more cases occur in the September-October bimonthly, which coincides with the distribution of births in the state.


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