Impact of socioeconomic status and remoteness of residence on pregnancy outcome in major congenital heart disease: mediation analysis

The parental decision to terminate pregnancy was related directly to GA at diagnosis of mCHD and related indirectly to greater RoR when mediated by GA at diagnosis. These findings should prompt further exploration of factors responsible for the later diagnosis of mCHD in those residing remotely. © 2026 The Author(s). Ultrasound in Obstetrics & Gynecology published by John Wiley & Sons Ltd on behalf of International Society of Ultrasound in Obstetrics and Gynecology.