title: Does pregnancy affect otosclerosis?
abstract: OBJECTIVE
  To evaluate the effect of pregnancy on the hearing of women with otosclerosis.
  
  
  METHODS
  A retrospective study of women who had undergone stapedectomy. The women were equally divided into two groups: one group with children and a control group without children. Air and bone conduction, as well as discrimination, were measured before and after stapedectomy in both groups.
  
  
  METHODS
  Ninety-four women (47 with children and 47 without) were evaluated. Because many of the women had bilateral otosclerosis, the total number of ears studied was 128.
  
  
  RESULTS
  Mean pure tone air and bone conduction thresholds were not worse in women with children versus those women without children. In fact, mean pre- and postoperative pure tone air and bone conduction thresholds from 500 Hz through 4,000 Hz in women with children were slightly but significantly better than women without children. There was no difference in discrimination scores between groups. Within the group with children, no significant correlation was found between number of children and hearing loss. Also, no correlation was found between breastfeeding and the amount of hearing loss.
  
  
  CONCLUSIONS
  We found no adverse effect on hearing in otosclerotic women who had children compared with women without children. Even with increasing numbers of pregnancies, no deleterious impact was noted. Air conduction, bone conduction, and discrimination were not worse in women with children versus childless women. No significant correlation was found between the number of children and hearing loss, and neither did breastfeeding affect the amount of hearing loss.
authors.affiliation: The Lippy Group for Ear, Nose and Throat, Warren, OH 44484, USA. whlmd@aol.com
authors.forename: William H
authors.initials: WH
authors.lastname: Lippy
authors.forename: Leonard P
authors.initials: LP
authors.lastname: Berenholz
authors.forename: Arnold G
authors.initials: AG
authors.lastname: Schuring
authors.forename: John M
authors.initials: JM
authors.lastname: Burkey
mesh_terms: D000328:Adult; D003939:Diagnostic Techniques, Otological; D005260:Female; D034381:Hearing Loss / Q000209:etiology*; D006320:Hearing Tests; D006801:Humans; D010040:Otosclerosis / Q000150:complications* / Q000175:diagnosis* / Q000601:surgery; D011247:Pregnancy; D011248:Pregnancy Complications; D012189:Retrospective Studies; D013201:Stapes Surgery