Ethnic disparities and obesity risk factors in pregnant women: A retrospective observational cohort study

Míriam Orós, Júlia Siscart, Daniel Perejón, Maria Catalina Serna, Pere Godoy, Blanca Salinas-Roca

Research output: Indexed journal article Articlepeer-review


(1) Background: This article focuses on the prevalence of overweight and obesity in pregnancy in different ethnic groups and assesses the existence of associated comorbidities. 

(2) Materials and Methods: A retrospective observational cohort study of 16803 pregnant women was carried out between 2012 and 2018 in the health region of Lleida (72% of the total). The relationship between overweight and obesity and different variables was analyzed by calculating the adjusted odds ratio (aOR) and 95% confidence intervals with multivariate logistic regression models. 

(3) Results: The prevalence of obesity in pregnant women rose from 11.1% in 2012 to 13.4% in 2018, and there was an age-related weight gain. A high incidence of overweight and obesity was recorded in pregnant women from ethnic groups: Maghrebi, sub-Saharan African and Latin America populations presented ORs of 4.08, 3.18 and 1.59, respectively. Hypertension was the variable most affected by body mass index (BMI) > 25 (OR = 3.39) followed by gestational diabetes mellitus (OR = 2.35). Depression was also associated with obesity. 

(4) Conclusions: The BMI of pregnant women is influenced by individual, ethnic and clinical factors. Mental health conditions such as depression are associated with BMI.

Original languageEnglish
Article number926
Number of pages12
Issue number4
Publication statusPublished - Feb 2023


  • ethnicity
  • obesity
  • overweight
  • pregnancy
  • prevalence


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