In recent years, air pollution has seriously affected the quality of life of the general public. According to China Net, air pollution will cause various harm to the human body. Organ embolism, acute diseases, respiratory diseases and even lung cancer are all closely related to air pollution. However, the harm of air pollution to human health goes far beyond that.

The harm of air pollution to pregnant women and fetuses
It increases risk of preterm birth. According to the World Wide Web report, high concentrations of air pollution are more harmful to pregnant women and their fetuses. If pregnant women face high concentrations of air pollution for a long time, the risk of premature birth will increase by 19%. It causes pregnant women who are 7 to 10 months pregnan to preterm birth likely in this way.
Fetal Congenital Malformations
It increases the incidence of fetal congenital malformations. According to the World Wide Web report, the birth rate of deformed children in South Korea is 5.5%. The study believes that this is related to factors such as inhalable particulate and environmental hormones. Once pregnant women inhale heavy metal components including inhalable particles, it will affect the growth and development of the fetus. If pregnant women face environmental hormones such as bisphenol-A and phthalates for a long time, the hormone levels in the body may also be disturbed. It will increase the incidence of fetal congenital malformations.
It affects fetal genes and causes related diseases. According to China Daily, the latest findings show that if long-term exposure to a polluted environment, from the embryonic period, pollution will still have an impact on fetal genes. Jordi, head of the Environmental Epidemiological Investigation Center, also said if people face polluted environments for a long time during the embryonic period, it will bring serious consequences. In this case, it may lead to fetal growth retardation, fetal nervous system disorders and fetal obesity issues.
Does air purifier necklace work against covid? The answer is negative. As we know that carbon brush of the air purifier necklace releases at least 5 million anions, they absorb particles and other harmful substances to the ground. Pregnant women reduce the chance to inhale harmful substances to lungs.