Objective Our primary objective was to determine the social and demographic determinants of interpregnancy weight change. A secondary aim is to highlight the novel linkage of two data resources in Northern Ireland (NI) and the potential for transformative research in maternal health. Approach We piloted a process to link two datasets in a safe. legal and ethical manner. https://www.roneverhart.com/BenQ-Zowie-XL2546X-24-5-FHD-Fast-TN-Gaming-Monitor-240Hz-DyAc-2-Technology-Dual-Backlight-Design-Auto-Game-Mode-HDMI-/