Inclusion Criteria:  being diagnosed with gestational DM being between the ages of 18-35 being in 24-32 weeks of pregnancy being inactive physical activity level - (<300 MET weeks/day)  Exclusion Criteria:  Diagnosed with diabetes before pregnancy have given birth before Multiple Pregnancy (>2) Intrauterine growth restriction Preeclampsia having high risk of preterm labor and on strict bed rest treatment with insulin or oral hypoglycemic agents during pregnancy Other significant severe or poorly controlled medical conditions (thyroid disease, cardio-respiratory disorders, ...) taking medications that affect cognitive function, including corticosteroids, anti-depressants, or anti-epileptics