Under normal circumstances, it is healthy and reasonable to gain about 10-12 kilograms during pregnancy, so pregnant women should control the speed of weight gain during pregnancy, neither too fast nor too slow. 2. Healthy Weight Gain Insufficient weight gain during pregnancy can pose health risks to both mother and fetus. Therefore, overweight pregnant women should not exceed 6-9 kg, and underweight pregnant women need to gain 13-18 kg. like