急急急！父母抽烟对孩子的影响!最好是用英文回答

Ready to breed children of alcoholic drinks and tobacco "fathers" and "mothers" and the children of the future will be very large. Tobacco contains hazardous substances, carcinogenic substances in addition to nicotine, there is hydrogen cyanide, ammonia, carbon monoxide, carbon dioxide, pyridine, and aromatic compounds such as tar cigarettes. These will affect the normal growth of harmful substances. Tobacco harmful substances and their metabolites can cause genetic mutations in sperm or sperm production control gene mutation lead sperm abnormality. Smoking also lowered the sperm activity, the impact of pregnancy, it will easily lead to stillbirth, miscarriage or fetal malformations. With the harmful substances in tobacco smoke disseminated air for a long time, have been forced to become "passive smoking" Women tend to cause menstrual disorders. reduce the possibility of pregnancy. And the role of tobacco harmful substances in the pregnant mother, throu