Congenital ventricular septal defect 14.6mm

Congenital ventricular septal defect (VSD) 14.6 mm in diameter is caused by genetic factors, environmental factors and other factors.

1. Genetic factors

Most congenital ventricular septal defects are caused by genetic defects of multiple genes, some of which may be single-gene genetic defects or chromosomal abnormalities.

2. Environmental factors

During the development of the heart and related tissues, the environment in the mother's uterus changes, resulting in fetal heart development defects or obstacles.

3. Other factors

Virus infection may occur in utero during early pregnancy, maternal metabolic diseases, maternal exposure to excessive radiation, chemicals can make fetal heart development abnormal or arrested.