A 27 years pregnant female with flamingo pink color tympanic membrane comes with history of traumatic ossicular discontinuity. Type of curve expected on tympanometry:

(Refer: PL Dhingra, Textbook of Ear, Nose, Throat, 6th edition, pg no: 24) Otosclerosis (Otospongiosis) Disease of bony labyrinth where the normal dense enchondral bone is replaced by foci of irregularly laid spongy bone. 50% patients have positive family history, inherited as autosomal dominant White races are affected more than negroes Females are more common than males Pregnancy aggravates otosclerosis Age of onset is around puberty Types of otosclerosis