Pre-pregnancy overweight and obesity prevalence and relation to maternal and perinatal outcomes

Objective: To identify the prevalence of pre-pregnancy overweight/obesity in pregnant women and its relationship with socio-demographic factors and to describe the maternal and perinatal outcomes in a Barcelona hospital (Spain). Method: A descriptive cross-association study, with retrospective data collection, was performed Barcelona Hospital. The data of 5447 pregnant women who delivered at >= 23 weeks of gestation were included. Body Mass Index (BMI) data were categorised into World Health Organization classifications. p values <.05 (two-tailed) were considered significant. Logistic regression models were performed. Results: The prevalence of pre-pregnancy obesity was 8.4% and 18.9% for overweight. Gestational diabetes was more frequent in pre-pregnancy overweight/obesity (OR 1.92: 95% CI 1.54-2.40 and OR 3.34: 95% CI 2.57-4.33), as were preeclampsia (OR 2.08: 95% CI 1.55-2.79 and OR 3.35: 95% CI 2.38-4.71), induction of labour (OR 1.19: 95% CI 1.02-1.38 and OR 1.94: 95% CI 1.57-2.10), caesarean section (OR 1.41: 95% CI 1.21-1.65 and OR 2.68: 95% CI 2.18-3.29), prematurity (OR1.28: 95% CI 1-1.65 and OR 1.79: 95% CI 1.32-2.44) and macrosomia (OR 1.87: 95% CI 1.43-2.46 and OR 2.03: 95% CI 1.40-2.93). Conclusions: One in four pregnant women had pre-pregnancy overweight or obesity. This study shows the relationship between pre-pregnancy overweight or obesity with adverse maternal and perinatal outcomes. (c) 2021 The Authors. Published by Elsevier Espana, S.L.U. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).