Pregnant women can eat one corn a day, corn is a coarse grain, coarse grain is mainly rich in dietary fiber. Pregnant women eat some coarse grains properly to promote intestinal peristalsis and prevent constipation, which is also helpful for the development of the baby. The sugar content of corn is not particularly high, and generally will not have much impact on the blood sugar of pregnant women, so there is no problem eating one corn per day. Pregnant women should eat a reasonable diet of various cereals, meat and vegetables, as well as egg products and dairy products every day. However, it should be noted that you should not overeat during pregnancy, and no food should be consumed in excess. At the same time, it is also necessary to exercise appropriately to avoid excessive weight gain during pregnancy.