There's a chance that babies of GDM mother may have low blood sugar shortly after birth and hypoglycemic seizures etc which would need NICU monitoring.
Irrespective of type 1 or 2, Diabetes can be inherited and is linked to your family history and genetics but environmental factors also play a role. Not everyone with a family history of diabetes will get it, but you're more likely to develop it if a parent or sibling has it.
Gestational diabetes is diabetes diagnosed for the first time during pregnancy. It can can be managed with diet, life style modifications and medications to lower blood sugar level.
In most patients Diabetes does not show any symptoms or signs. Few symptoms are increased thirst, extreme hunger, unexplained weight loss, frequent urination, fatigue, irritability, blurred vision, slow healing wounds and frequent infections.
Fasting blood sugar of 126 mg/dl or more, post prandial blood sugar of 200 or more with glycated hemoglobin of 6.5% or more.