subject: The Environmental Factor of Causing Fetal Anomaly [print this page] The medical experts advise that if men who have to contact pollutants in the workplaces want to have children, they should change working atmospheres three months before pregnancy of their wives. If women want to have children, they should leave the dangerous workplaces six months before pregnancy. The toxic substances in the workplaces can hurt sperms or ovums to cause the anomaly of the chromosome. Therefore, in order to keep the fetuses healthy, the couples should keep far away from toxic environment which contains radioactive substances, virus, drugs and chemical materials before or during pregnancy.
