Diabetes is a condition in which one suffers from high blood sugar levels. Gestational diabetes is a form of diabetes that occurs only during pregnancy. It is certainly possible to have a healthy child, provided that certain modifications in lifestyle are met. Once the baby is born, the condition usually tends to disappear. However, this makes him prone to type 2 diabetes (a condition in which the body can not use insulin effectively).
Please consult an expert here.
Video credits to Lybrate YouTube channel