How does the prevalence of ovarian torsion vary by age?

Updated: Jun 27, 2017
  • Author: Erik D Schraga, MD; Chief Editor: Eugene C Lin, MD  more...
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Ovarian torsion applies strictly to the female sex. It can occur at any age, but most cases occur in the early reproductive years. The median age reported by a large review was 28 years. The percentage of patients younger than 30 years is approximately 70-75%. Two groups of women show a particular tendency to be affected by adnexal torsion (ovarian torsion): (1) women in their mid 20s and (2) women who are postmenopausal.

Approximately 20% of cases of torsion occur during pregnancy. [16, 17] Postmenopausal women with an adnexal mass may also be affected. Adolescents are also at risk; this may be because of changes in the weight of their maturing adnexa. [17] Approximately 17% of cases have been found to occur in premenarchal or postmenopausal women. Although ovarian torsion in very young children is rare, a case of ovarian cyst torsion was reported in a 2-year-old. [18]

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