Always hungry in the 7th month of pregnancy may be caused by insufficient nutritional supply, gestational diabetes and so on. 1. Inadequate nutritional supply: women in the late stages of pregnancy, rapid growth and development of the fetus, and accelerated metabolism, so the food intake is not enough to supply the pregnant woman and the fetus, so it will result in a significant sense of hunger, it is recommended that pregnant women can eat small meals, increase the amount of food and drink to meet the nutritional needs of their own and the fetus in the womb. 2.. Gestational diabetes mellitus: During pregnancy, women may have abnormal blood glucose, poor blood glucose control can be manifested as excessive drinking, eating and urinating, etc. OGTT and other tests can be done to diagnose gestational diabetes mellitus, the symptoms of gestational diabetes mellitus tend to be gradually relieved after delivery, and sugar should be controlled in normal times with fewer sweets.