When diabetes occurs during pregnancy, some of the main symptoms are similar to those of ordinary people, mainly in the following ways: first, excessive eating, feeling hungry again not long after eating and still wanting to eat. Secondly, she drinks a lot and feels thirsty and dry in her mouth. Thirdly, the excessive drinking and eating will inevitably lead to polyuria and frequent trips to the toilet to relieve urine. The second condition is that elevated blood sugar is found during the normal pregnancy test.