Non-Genetic Risk Factors of Birth Defects A number of personal practices and environmental factors have been identified as risk factors of birth defects: Lifestyle habits and behaviors Medications Some thyroid medications, certain antibiotics, high amounts of vitamin A, and others Exposure to chemicals Mercury, lead, pesticides, and insecticides Infections during pregnancy Untreated or newly acquired sexually transmitted diseases (STDs), rubella, chickenpox, toxoplasmosis, and listeriosis Conditions before pregnancy Obesity, diabetes, seizure disorders, and high blood pressure Advanced maternal age Being pregnant at 35 or older Types of Birth Defects There are two types of birth defects : structural and functional/developmental
Or said another way: intentionally deceptive and fraudulent
Chronic infection increases the risk of developing precancerous lesions
We live his life with him over a two week period and meet the many people that intersect with his daily routine