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==References==
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Revision as of 22:59, 29 July 2020

Obsessive-compulsive disorder Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sonya Gelfand, Abhishek Reddy, Kiran Singh, M.D. [2]

Overview

Risk factors for obsessive compulsive disorder include genetic predisposition, a variety of genetic factors, environmental factors, and brain structure and function.

Risk Factors

Genetic Predisposition

  • Research suggests that the condition tends to run in families. A person who has OCD has a 25% chance of having a blood relative who has it. One study found that children inherit OCD symptoms in 45%-60% of cases, while adults inherit the symptoms in 27%-47% of cases.[1]
  • People with first-degree relatives who have OCD, especially if the first-degree relative developed OCD as a child or teen, are at a higher risk for OCD.

Genetic Factors

  • Pregnancy or post-partum period: OCD symptoms may worsen during, and immediately after pregnancy. In this case, fluctuating hormones can trigger symptoms. Postpartum OCD is characterized by disturbing thoughts and compulsions regarding the baby’s well-being.

Environment

  • Experiencing childhood physical or sexual abuse.[1]
  • Experiencing a stressful event (major life changes, such as loss of a loved one, divorce, relationship difficulties, problems in school, or abuse).
  • Experiencing a traumatic event.

Brain Structure and Functioning

  • Experiencing childhood behavioral inhibition.[1]
  • Experiencing higher negative emotionality.

References

  1. 1.0 1.1 1.2 1.3 Diagnostic and statistical manual of mental disorders : DSM-5. Washington, D.C: American Psychiatric Association. 2013. ISBN 0890425558.

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