Pregnant women can drink tea in moderation, if a large amount of strong tea during pregnancy, it will affect the absorption of calcium and iron, affecting the development of the fetus, if a small amount of drinking, without affecting sleep and other discomforts, there is no effect on the fetus. If you drink a lot of strong tea during pregnancy, you will consume a lot of caffeine and theophylline, which will easily affect the quality of sleep of pregnant women, and will also lead to an increase in urine and accelerated blood circulation, aggravating the burden on the heart and kidneys of pregnant women. In addition, strong tea contains ellagic acid, which will affect the absorption of calcium and iron in the digestive tract of pregnant women, and long-term consumption will lead to fetal nutrient deficiencies and affect fetal development. During pregnancy, you can choose flower tea, green tea and other relatively light tea, a small amount of drinking, if it affects the pregnant woman’s sleep is not recommended to drink, if it does not cause special discomfort, there is no effect on the fetus. Drinking tea during pregnancy should be referred to the hospital immediately if discomfort occurs.