ENT A 30 years woman presents with progressive conductive deafness bilaterally. The most common cause is – A Tympanosclerosis B Otospongiosis C Meniere's disease D Bilateral wax in external ears 💡 Explanation A 30 years woman presents with progressive conductive deafness bilaterally. The most common cause is - ✓ Correct Answer: B. Otospongiosis