Associations between maternal size and health outcomes for women undergoing caesarean section: A multicentre prospective observational study (The MUM SIZE Study)

Abstract

Objectives To investigate associations between maternal body mass index (BMI) at delivery (using pregnancy-specific BMI cut-off values 5 kg/m 2 higher in each of the WHO groups) and clinical, theatre utilisation and health economic outcomes for women undergoing caesarean section (CS). Design A prospective multicentre observational study. Setting Seven secondary or tertiary referral obstetric hospitals. Participants One thousand and four hundred and fifty-seven women undergoing all categories of CS. Data collection Height and weight were recorded at the initial antenatal visit and at delivery. We analysed the associations between delivery BMI (continuous and pregnancy-specific cut-off values)..