Level 1: What is second-hand smoke?
Secondhand smoke, also known as environmental tobacco smoke, refers to the process in which harmful substances released in tobacco smoke inhaled by smokers stay in the air and are inhaled by others. Secondhand smoke contains more than 70 carcinogens, including nicotine, carbon monoxide, benzene and polycyclic aromatic hydrocarbons.
Level 2: What are the dangers of second-hand smoke for pregnant women?
Inhalation of second-hand smoke by pregnant women can cause great harm to the fetus. First of all, secondhand smoke inhaled by pregnant women contains substances such as nicotine and carbon monoxide, which can enter the fetus through the blood. Nicotine can affect fetal brain development, causing mental retardation and behavioral problems. Carbon monoxide will reduce the concentration of oxygen in the fetal blood, causing fetal hypoxia.
Secondly, second-hand smoke inhaled by pregnant women also contains carcinogens such as benzene and polycyclic aromatic hydrocarbons. These substances will increase the risk of breast cancer, cervical cancer and endometrial cancer in pregnant women. At the same time, these carcinogens will also enter the fetus through the placenta, increasing the risk of the fetus suffering from childhood leukemia and other malignant tumors.
Level 3: What are the effects of secondhand smoke smoking by pregnant women on the fetus?
Inhalation of second-hand smoke by pregnant women can have a great impact on the fetus. First of all, second-hand smoke inhaled by pregnant women contains substances such as nicotine and carbon monoxide, which can enter the fetus through the blood. Nicotine can affect fetal brain development, causing mental retardation and behavioral problems. Carbon monoxide will reduce the concentration of oxygen in the fetal blood, causing fetal hypoxia.
Secondly, second-hand smoke inhaled by pregnant women also contains carcinogens such as benzene and polycyclic aromatic hydrocarbons. These substances will increase the risk of breast cancer, cervical cancer and endometrial cancer in pregnant women. At the same time, these carcinogens will also enter the fetus through the placenta, increasing the risk of the fetus suffering from childhood leukemia and other malignant tumors.
Level 4: How to prevent pregnant women from smoking secondhand smoke?
Pregnant women should try to avoid exposure to second-hand smoke. If family members or friends smoke, they should be asked to do so outside and at a distance. In addition, you should also pay attention to avoid exposure to second-hand smoke in public places, such as choosing non-smoking areas to eat, riding in non-smoking carriages, etc.
If a pregnant woman is a smoker, she should quit smoking as soon as possible. Quitting smoking can reduce the exposure of pregnant women and fetuses to secondhand smoke and reduce the risk of various health problems.
Level 5: Facts you need to know about second-hand smoke
In addition to harming pregnant women and fetuses, second-hand smoke can also pose a threat to the health of other people. Long-term exposure to secondhand smoke increases the risk of cardiovascular disease, lung cancer, and other health problems. In addition, children\’s long-term exposure to second-hand smoke can also affect their physical and intellectual development.
Level 6: Conclusion
The harm of pregnant women inhaling second-hand smoke to their fetus cannot be ignored. In order to protect the health of pregnant women and fetuses, weYou should try to avoid exposure to second-hand smoke and quit smoking as soon as possible. At the same time, the formulation and implementation of relevant laws and regulations should also be strengthened to protect the public\’s health rights and interests.
