Does coffee and strong tea affect pregnant mothers?

Medical Guidance/Xia Yanqiong, Director of Nutrition Department of Guangdong Maternal and Child Health Hospital

Text/Yangcheng Evening News All -Media reporter Guo Si Correspondent Tian Shuang Lin Huifang

Photo/Visual China

Doctors in nutritional clinics often receive the problem of whether they can drink tea and coffee during pregnancy.Today we will talk to the majority of pregnant mothers, about the impact of coffee and strong tea on pregnancy.

The caffeine in coffee is a stimulant and diuretic. It can increase the level of catecholamines in pregnant women and fetuses through the placenta, which is longer than the mother in the fetus.The caffeine not only exists in coffee, but also contains strong tea and some chocolates.

1. High -dose caffeine can increase the risk of abortion.Caffeine does not reduce placental blood flow or fetal oxygen, so moderate caffeine intake (less than 200 mg per day) may not cause abortion or premature birth, but high -dose caffeine may have adverse effects on the fetus.Studies have found that the abortion rate of pregnant women who consume more than 200 mg of caffeine per day is twice that of pregnant women who do not consume caffeine.Therefore, pregnant women should limit caffeine intake of less than 200 mg per day, equivalent to not more than one cup of 350ml ordinary coffee.

2. Caffeine will increase the blood pressure and heart rate of pregnant women, and also increase the frequency of urination, resulting in decreased water in the body and may cause dehydration.During the third trimester, caffeine made the fetus in a state of excitement, affecting the sleep mode of pregnant women and fetuses.The American Pediatric Association recommends that too much caffeine should be avoided during pregnancy and breastfeeding.

3. In addition to caffeine, thick tea also contains a large amount of tannic acid, which will prevent the absorption of nutrients in the intestinal mucosa, greatly reduce the absorption rate of iron in the meal, leading to the occurrence of anemia.

4. The caffeine concentration contained in thick tea is as high as 10%, which produces excitement and causes insomnia for pregnant women, affecting normal sleep of the fetus; it will also increase the number of urination and heartbeat of pregnant women, and increase the heart and kidney burden of pregnant women.

So pregnant mothers should try to avoid strong tea and coffee.

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