If a pregnant woman has a routine urine test during pregnancy, if there is a ketone body one (+), it is possible that she is suffering from gestational diabetes, or it is possible that the test is a symptom of starvation. It is advisable to cooperate with the doctor for further examination, such as checking fasting blood sugar and glycosylated hemoglobin, to confirm whether there is gestational diabetes. If gestational diabetes is diagnosed, you can cooperate with the doctor according to the specific situation, using insulin and other drugs to lower blood sugar treatment, to avoid causing hypoglycemia or other complications affecting the normal development of the fetus. If gestational diabetes occurs in the second trimester of pregnancy, without timely hypoglycemic treatment it is easy to develop hyperemesis during delivery, which may even cause life-threatening conditions for the mother and child. If you don’t have diabetes, it is possible that your body is hungry during the physical examination of the pregnant woman, so you can do a recheck after some time to confirm whether it is normal.