background prevalence diabetes increasing globally numbers include women gestational diabetes mellitus also based demographic projections made united nations population division year 2025 issued estimates adults diabetes countries reported women diabetes men may anticipate considerable increase burden gdm especially less prosperous countries gestational diabetes mellitus gdm defined degree glucose intolerance onset first recognition pregnancy worldwide prevalence gdm varies 14 14 prevalence gestational diabetes mellitus india varies 38 21 different parts country depending geographical locations diagnostic methods used gestational diabetes mellitus found prevalent urban areas rural areaswomen diagnosed gdm increased risk future diabetes predominantly type 2 dm children