Gestational diabetes mellitus (GDM) is becoming more frequent and its prevalence is increasing in parallel with the obesity epidemic and coronavirus diseas-19 (COVID-19) pandemic.1,2 Gestational diabetes mellitus is seen with a prevalence of 5-10% of all pregnancies.1 In normal pregnancy, pancreatic B-cell hyperplasia occurs that results in higher insulin levels. This evidence concerns the gene INS and gestational diabetes.