Compared with normal people, the female body during pregnancy is very fragile, especially in the middle and late stages of pregnancy, pregnant women will become very sensitive, so they need to take care of themselves in all aspects. In today's society, there are various types of radiation in life, so pregnant women should avoid living in an environment with relatively high radiation. Just in case, it is necessary for pregnant women to wear anti-radiation clothing. At what age should pregnant women wear radiation protection clothing? From the perspective of the pregnancy cycle, it is generally divided into three periods: early pregnancy, mid-pregnancy, and late pregnancy. According to the nanny, the early pregnancy period is before the 13th week of pregnancy; the middle pregnancy period is from the 14th to the 27th week of pregnancy; and the late pregnancy period is from the 28th week onwards. The fetus is in the embryonic period from 0 to 3 months. If it is exposed to electromagnetic radiation for a long time at this time, it may cause limb defects or deformities; 4 to 5 months is the formation period of the fetus. Long-term exposure to electromagnetic radiation may cause intellectual deficiency or even dementia; 6 to 10 months is the growth period of the fetus, which is the most critical period in the entire pregnancy process. If the fetus is affected by electromagnetic radiation for a long time at this time, it is easy to cause intellectual damage and low immunity. During pregnancy, early pregnancy is a period of greater risk and higher miscarriage rate. Taking into account the incomplete knowledge of expectant mothers during pregnancy and other reasons, regarding the question of when pregnant women should start wearing anti-radiation clothing, nannies recommend: pregnant women should wear anti-radiation clothing in the early pregnancy, that is, during the embryonic period. The pregnancy period is only the first stage in determining when pregnant women should wear anti-radiation clothing. In addition, electromagnetic radiation experts say that the density and intensity of the radiation source are also very important. Currently, common radiation sources in households and electronic products with high radiation levels include mobile phones, computers, microwave ovens, electric blankets, etc. To understand how many years pregnant women can wear anti-radiation clothing, we must first understand what the role of anti-radiation clothing for pregnant women is. After all, this is a special clothing that is different from ordinary clothes. So, what is the role of anti-radiation clothing for pregnant women? Different from ordinary clothes, the function of anti-radiation clothing for pregnant women is not just to cover up, dress up, keep warm and other simple functions, but also to shield electromagnetic radiation. This means that anti-radiation clothing for pregnant women is destined to be different from ordinary clothes. Not only is the wearing method different, but the usage period is also different. Generally speaking, as long as ordinary clothes are not torn or rotten, people can wear them indefinitely. At most, they can be washed when they get dirty. But anti-radiation clothing for pregnant women is different, as everyone knows. The function of anti-radiation clothing for pregnant women is to shield electromagnetic radiation. The reason why anti-radiation clothing for pregnant women can shield electromagnetic radiation is based on the principle that metal, a good conductor, can reflect electromagnetic waves. That is, when the aperture of the metal mesh is smaller than 1/4 of the wavelength of the electromagnetic wave (wavelength = speed of light/frequency), the electromagnetic wave cannot pass through the metal mesh. Using special technology, metal fibers are embedded in clothing. The loop formed by these metal fibers generates an induced current, and the induced current generates a reverse electromagnetic field for shielding. All anti-radiation clothing for pregnant women on the market are made using this principle. The fabric contains conductive metal fibers or conductive silver fibers. The metal fibers refer to stainless steel metal fibers, and the silver fibers refer to a composite fiber formed by infiltrating nano-silver ions into nylon fibers. Both fibers have good conductivity, so they can shield electromagnetic waves. The metal fibers in the fabric enable anti-radiation clothing for pregnant women to shield electromagnetic radiation. However, as we all know, if metal materials are exposed to the air for a long time, they will slowly oxidize. If it is frequently washed and comes into contact with water, its oxidation rate will be greatly accelerated. Once the metal fibers in the fabric are oxidized to a certain extent, the anti-radiation clothing for pregnant women will lose its ability to shield electromagnetic radiation. Therefore, how many years pregnant women can wear anti-radiation clothing depends on the oxidation rate of the metal fibers in the fabric. If it oxidizes slowly, it will last longer. If it oxidizes quickly, it may become useless soon. |
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