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绝大多数人都清楚地知道吸烟对人休健康有害,对孕妇的危害则更大。但是,许多人只是强调孕妇直接吸烟对腹中胎儿的危害,往往忽视了孕妇被动吸烟胎儿也同样深受其害。因为无论是孕妇直接吸烟,还是被动吸烟, (即经常接触抽烟者或生活在烟雾缭绕之中),烟草中的尼古丁、一氧化碳和其它有害物质都能通过呼吸道进入孕妇的血液中,影响胎儿从胎盘获取生长发育所需的氧气和营养,甚至可以引起胎儿畸形、流产、早产、以至死
The overwhelming majority of people are well aware that smoking is harmful to people’s health and harmful to pregnant women. However, many people just emphasize the direct harm of pregnant women to the fetus in the abdomen, often neglecting the fetus of passive smoking of pregnant women are also deeply affected. Because both pregnant women, direct smoking, or passive smoking, (that is, regular contact with smokers or living in smoke-filled), nicotine in tobacco, carbon monoxide and other harmful substances can enter the respiratory tract through the blood of pregnant women, affecting the fetus from the placenta Obtain the oxygen and nutrients needed for growth and development, and even cause fetal malformations, miscarriages, premature birth, and even death