Obesity in pregnancy: a retrospective prevalence-based study on health service utilisation and costs on the NHS

To estimate the direct healthcare cost of being overweight or obese throughout pregnancy to the National Health Service in Wales.Retrospective prevalence-based study.Combined linked anonymised electronic datasets gathered on a cohort of women enrolled on the Growing Up in Wales: Environments for Healthy Living (EHL) study. Women were categorised into two groups: normal body mass index (BMI; n=260) and overweight/obese (BMI>25; n=224).484...