The most typical symptoms of gestational diabetes are excessive drinking, excessive urination, excessive eating, and body wasting. The most typical symptoms of diabetes are drinking, urinating, eating and losing weight. The most typical symptoms of diabetes are excessive drinking, excessive urination, excessive eating and loss of weight. Therefore, if a pregnant woman is thirsty in late pregnancy, she needs to be diagnosed with gestational diabetes. 4. A pregnant woman in late pregnancy will also experience thirst due to mental stress, which causes plant nerve dysfunction.