The causes of fetal malformation are: 1, may be genetic genes lead to malformation, such as when close relatives marry, the child has a higher incidence of genetic diseases, genetic factors lead to fetal malformation accounted for about one tenth. 2, during pregnancy if not correctly used drugs can cause irreversible adverse effects on the fetus, many drugs can cure, but also has toxic side effects, the fetus is easily affected by the toxic side effects and The company’s main business is the development of a new product, a new product for the company.