INS and diabetes mellitus: As mobile health platforms become increasingly integrated into diabetes care, telemedicine may help alleviate these burdens; however, evidence evaluating its effectiveness as a replacement for routine in-person GDM care remains limited.<h4>Objective</h4>This study aims to evaluate the impact of telemedicine on the quality of life and costs for patients with GDM requiring insulin therapy.<h4>Methods</h4>This single-center, 2-arm, randomized, open-label, parallel-group study included patients with GDM who started insulin injection therapy.