The exact cause of many congenital heart defects is unknown, but several factors can contribute, including:
- Genetic Factors: Chromosomal abnormalities and specific genetic mutations can increase the risk of CHDs. - Environmental Factors: Exposure to certain substances during pregnancy, such as alcohol, tobacco, and certain medications, can affect fetal heart development. - Maternal Health: Conditions like diabetes, obesity, and viral infections during pregnancy can increase the risk of heart defects.
