Pregnant women can eat lettuce, mainly: first, lettuce has a high nutritional value, diuretic, swelling effect, for pregnant women is more suitable, because the middle and late pregnancy will appear leg edema, you can eat lettuce to improve the edema of pregnant women. Second, lettuce contains vitamin C, which can lower blood pressure and prevent gestational hypertension in pregnant women, and can also improve the immune system of pregnant women. Third, lettuce contains lettuce vegetation inside, the main role is sedative, pregnant women will become more irritable because of the influence of hormones in the body, often irritable, you can eat lettuce, can relieve irritable mood. Fourth, lettuce can inhibit viruses, can promote blood flow, pregnant women are more prone to constipation, so it can be a good way to prevent constipation during pregnancy.