Pre-pregnancy and early pregnancy should also be supplemented with a trace element, iodine. Women's perinatal and early pregnancy iodine deficiency can increase the risk of neonatal cretinism in the future. Iodine is one of the essential trace elements in the body.
Eat more seafood to prevent birth defects
Pre-pregnancy and early pregnancy should also be supplemented with a trace element, iodine. Women's perinatal and early pregnancy iodine deficiency can increase the risk of neonatal cretinism in the future. Iodine is one of the essential trace elements in the body. Iodine deficiency causes a decrease in thyroid hormone synthesis and hypothyroidism, and thus affects maternal and fetal metabolism, especially protein synthesis. Studies have shown that when the iodine intake during peri-conception and early pregnancy is below 25 μg, neonates may develop cretins characterized by mental retardation, deafness, delayed sexual development, motor skills, decreased language skills, and other growth and developmental disorders. Illness and so on. Experts suggest that because of the relatively large need for iodine before pregnancy and in early pregnancy, in addition to iodized salt intake, it is recommended that at least once a week intake of marine foods rich in iodine, such as kelp, seaweed, fish, shrimp and so on.
Regular smoking and drinking can cause sperm deformity
Studies have shown that when men smoke more than 30 cigarettes per day, the proportion of malformed sperm exceeds 20%, and the longer the smoking time, the more malformed sperm. Six months after stopping smoking, sperm can return to normal. If both husbands and spouses regularly smoke before pregnancy, the harmful components of tobacco enter the reproductive system through the blood circulation, which will directly or indirectly cause toxic effects. Therefore, both husband and wife preparing to get pregnant should quit smoking three months or even six months before the planned pregnancy. In addition, pregnant women planning to stay away from the smoking environment, reduce the harm of passive smoking.
In addition to smoking cessation, couples who are preparing to become pregnant should also start alcoholics 3 to 6 months before. The fetus formed by alcohol-damaged germ cells is often abnormally developed, such as short limbs, light weight, ugly appearance, unresponsiveness, and mental retardation.
How to prevent or reduce the pregnancy reaction?
Many pregnant women will have early pregnancy reactions (pregnancy reactions) in early pregnancy, such as nausea, vomiting, loss of appetite. After 12 weeks of pregnancy, the pregnancy response gradually diminished or even disappeared.
Severe pregnancy reactions can affect fetal development. Embryonic development is relatively slow during the first trimester, but germinogenesis and organogenesis are susceptible to nutrient deficiencies. The reduction in food intake resulting from early pregnancy reactions may result in deficiency of micronutrients such as folic acid, zinc, and iodine, which in turn increases the risk of fetal malformation. The decrease in food intake caused by early pregnancy reaction may also lead to lack of B vitamins, which may further aggravate the pregnancy reaction. Severe vomiting may also cause water and electrolyte loss and disorder in the body. Severe vomiting can not eat, prone to ketoacidosis, affect fetal nerves The development of the system.
Experts reminded that to reduce pregnancy response, pregnant women should adjust their diet from the following aspects: First, they should choose easily digestible foods that can increase appetite, and taste should be light. In addition, you should eat small meals, eating time adjustment at any time, not rigidly adhere to three meals a day, insist on eating between vomiting. Third, we should try our best to adapt to the short-term changes in eating habits caused by pregnancy reactions, take care of the personal tastes of pregnant women, and not unilaterally pursue the nutritional value of foods, and gradually correct them after the pregnancy reaction stops. Fourth, early pregnancy women should pay attention to eat more vegetables, fruits, milk and other foods rich in vitamins and minerals, in order to reduce the symptoms of nausea and vomiting, can eat bread, bread, cookies, eggs and so on. For the general nausea, poor appetite and other pregnancy reactions, can be supplemented with appropriate amount of B vitamins under the guidance of a doctor to reduce the symptoms of pregnancy.
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