Microbiology Which of the following infection, if occurs in the first trimester, leads to maximum incidence of congenital malformations: March 2010 A Rubella B Toxoplasmosis C CMV D All of the above 💡 Explanation Which of the following infection, if occurs in the first trimester, leads to maximum incidence of congenital malformations: March 2010 ✓ Correct Answer: A. Rubella