AI Article Synopsis
- The sex ratio at birth in Mexico is lower than the typical 0.515, with the study showing a ratio of 0.5060 based on data from 1994 to 2020.
- Regional differences were observed, with the North having the highest M/T compared to other regions.
- Factors like chronic stress and socioeconomic conditions are suggested to negatively impact the sex ratio at birth in the country.
Article Abstract
Objective: The sex ratio at birth, defined as males/total (M/T) approximates 0.515 but is affected by many factors. Acute and chronic stress have been shown to lower M/T, and both regional and racial differences exist. This study analysed regional differences in M/T in Mexico.
Material And Methods: Live births by sex and year were available for 1994-2020. Regional births were available for 2010-2020 for five regions: North, Centre, West, East and South.
Results: There were 68,423,415 births for 1994-2020 and 25,436,687 for 2010-2020 (M/T=0.5060, 95% confidence interval: 0.5058-0.5062). M/T was <0.515 (p<0.0001). Live births correlated negatively with year (p<0.0001). M/T fell for 1994-2003 then rose to 2020 (p<0.0001). M/T was highest in North followed by West, South, Centre and East (p<0.0001).
Conclusion: Chronic stress with socioeconomic deprivation may reduce M/T and may explain the low M/T found in this study from Mexico.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10019010 | PMC |
| http://dx.doi.org/10.4274/jtgga.galenos.2022.2022-8-14 | DOI Listing |
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