How should pregnant women eat? Chinese people generally have the concept of “one person to eat and two people to make up†for pregnant women and encourage them to drink high-calcium or high-iron milk to supplement their nutrition. However, dietitians reminded that excessive intake of both calcium and iron will not only offset each other's absorption. It is more likely to have an adverse effect on the health of mothers and fetuses.
Pregnancy supplements calcium and bones, supplements iron and prevents anemia and premature birth
Both calcium and iron are important minerals for pregnant women. Calcium can provide fetal bone and teeth growth, and pregnant women can prevent cramps and osteoporosis. Iron can prevent anemia in pregnant women. If the pregnant woman is chronically anemic, it can easily cause fetal growth retardation in the womb and trigger premature birth.
Calcium and iron make up too much body can not easily lose their temper
However, any diet is too juxtaposed. The more you eat, the better. Once calcium supplements, it will increase the burden of metabolic detoxification of the kidney, and prone to body fluid loss, weight loss, fatigue, poor appetite, constipation and other symptoms, and even with the diet of saturated fatty acids, cholesterol, oxalic acid, phytic acid and other combinations stone. Excessive intake of iron or iron can easily hurt the stomach and may cause abdominal pain and cramps.
More importantly, there is an antagonistic effect between calcium and iron. Hou Weiyi, director of nutrition at St. Marting Hospital, said that many pregnant women emphasize eating high calcium and high iron. However, when the body's calcium and iron are overdose, there will be conflicting antagonistic reactions, reducing absorption capacity. More, the worse the absorption.
Pregnancy is to make up? No need to increase calcium, iron added to 45 mg
According to the revision of the seventh edition of the National Dietary Reference Reference Intake, the calcium intake of pregnant women is no different from that of normal adult females. It is recommended to take 1000 mg of calcium per day without additional supplements; the iron part, women are not pregnant and pregnant. The daily intake of the second phase is 15 mg, but the third phase of pregnancy needs to increase to 45 mg.
Hou Yiyi dietitian emphasized that if calcium and iron are only taken from natural foods, there will usually be no problem of excess, and the chance of producing calcium and iron antagonism will naturally be reduced without worry; but if it is blindly eating high units such as calcium tablets and iron For nutritional products, special care must be taken.
Take caution when taking iron! Eat on an empty stomach, do not eat with milk eggs
In particular, iron, pregnant women should also pay attention to timing, in addition to appropriate supplements under the advice and guidance of doctors. Hou Yiyi dietitian reminds that iron is best taken one hour before meals or when fasting. It is not appropriate to eat milk or milk egg products at the same time. Milk contains calcium and phosphate, which can precipitate iron and hinder the absorption of iron.
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