Social & Preventive Medicine Example of case control study (risk factor and disease/outcome) ? A Maternal smoking and congenital malformation B Vaginal adenocarcinoma and intrauterine exposure to DES C Thalidomide exposure and teratogenicity D All of the above 💡 Explanation Example of case control study (risk factor and disease/outcome) ? ✓ Correct Answer: D. All of the above