The association between maternal and foetal factors with birth weight discordance in twins from Yucatan, Mexico.

Birth weight discordance (BWD) is not an uncommon event in twin pregnancies and can be associated with maternal and newborn characteristics. We aimed to analyse the association between maternal sociodemographic and newborn characteristics with BWD in twin infants born in Yucatan, Mexico, during 2008-2017 ( = 2091 pairs). BWD was calculated as the percentage of birth weight of the heavier twin.

[Association between overweight and obesity with school performance in secondary students in Merida, Mexico].

Background: Some studies have found a negative relationship between obesity and school performance in scholars. However, this topic has not been studied in depth in Mexico. The aim of this study was to analyze the association between overweight and obesity with school performance in secondary school students from Merida.

Epidemiologic profile and clinical course of four confirmed rickettsiosis cases in Southern Mexico during 2016.

Domestic animals can carry ticks or fleas, which constitute common vectors of rickettsial infections. The contact with them should be considered as suggestive of rickettsial infections in symptomatic patients. Misdiagnosis might occur in regions where other vector-borne diseases are endemic.

Fatal cardiopulmonary decompression sickness in an untrained fisherman diver in Yucatán, Mexico: a clinical case report.

Introduction: In Yucatán, Mexico, during the sea cucumber season fishermen dive intensely to obtain good catches but are often at risk of decompression sickness (DCS). We present a single case fatality.

Objective: We analyzed the clinical course, medical assessment and recompression treatment plan of an untrained fisherman.

[Clinical and epidemiological profile of chikungunya infection in hospital patients in 2015 in Mérida, MexicoPerfil clÍnico-epidemiológico da infecção por chikungunya em casos hospitalares atendidos em 2015 em Mérida, México].

Objectives: Describe the epidemiological profile and analyze clinical manifestations by age group in chikungunya patients treated in 2015 in a Mérida, Mexico general hospital.

Methods: An observational study describing chikungunya cases recorded by the Department of Epidemiological Surveillance from July to December 2015 and analyzing clinical manifestations by age group. A logistic regression model was used to analyze the association between signs and symptoms and hospital admission.

Maternal maya ancestry and birth weight in Yucatan, Mexico.

Objectives: The purpose of this study was to analyze the association between maternal Maya ancestry and the birth weight of infants born in Yucatan, Mexico, during 2013.

Methods: A total of 30,435 singletons born at term (≥37 weeks) in Yucatan during 2013 were analyzed. Birth weights, gestational ages, and maternal socioeconomic data were provided by the Ministry of Health of Yucatan.

Height Growth and Percentage of Body Fat in Relation to Early Menarche in Girls from Merida, Yucatan, Mexico.

Early menarche (EM) (i.e., age at menarche [AAM] <12 years of age) is related to short height and higher body fatness.

ETHNICITY AND INCOME IMPACT ON BMI AND STATURE OF SCHOOL CHILDREN LIVING IN URBAN SOUTHERN MEXICO.

Obesity affects quality of life and increases the risk of morbidity and mortality. Mexico, a middle-income country, has a high prevalence of overweight and obesity among urban children. Merida is the most populated and growing city in southern Mexico with a mixed Mayan and non-Maya population.

"You are not fat, you are hermosa": Mexican caregivers share their perceptions about their role supporting their morbidly obese children.

This qualitative study reports the findings from 6 focus groups conducted at a clinic in Southern Mexico with caregivers of morbidly obese children. This study was developed with the purpose of gaining a further understanding of caregivers' perceived role in addressing their children's obesity within the family context and identifying topics that could be considered when providing health care in similar sociocultural environments. We identified that although caregivers acknowledge the role of modifiable factors in obesity prevention and treatment, they held beliefs about determinism in obesity.