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Related Experiment Video

Updated: Jul 9, 2026

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer
19:53

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer

Published on: March 1, 2015

Bell's palsy and pregnancy.

Jeffrey T Vrabec1, Brandon Isaacson, James W Van Hook

  • 1Baylor College of Medicine, Department of Otolaryngology, Houston, TX 77030, USA. jvrabec@bcm.tmc.edu

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|November 27, 2007
PubMed
Summary

Bell

Area of Science:

  • Neurology
  • Obstetrics
  • Epidemiology

Background:

  • Bell's palsy (BP) is a common neurological condition affecting facial nerves.
  • Pregnancy may alter susceptibility to certain conditions, including BP.
  • Understanding BP in pregnant individuals is crucial for appropriate management.

Purpose of the Study:

  • To comprehensively review the epidemiology, pathophysiology, clinical presentation, treatment strategies, and prognosis of Bell's palsy in pregnant women.
  • To compare BP occurrence and characteristics in pregnancy versus the general population.

Main Methods:

  • Literature review and synthesis of existing studies on Bell's palsy during pregnancy.
  • Analysis of epidemiological data, focusing on incidence, timing within pregnancy, and potential etiological factors.

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Last Updated: Jul 9, 2026

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer
19:53

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer

Published on: March 1, 2015

  • Evaluation of treatment outcomes and prognostic indicators in pregnant versus non-pregnant patients.

    • Main Results:

    • The incidence of Bell's palsy in pregnant women is comparable to that of non-pregnant women of childbearing age.
    • A higher frequency of Bell's palsy cases is observed during the third trimester of pregnancy, with a lower incidence in early pregnancy.
    • Herpes simplex virus reactivation is the suspected cause for the increased incidence in the third trimester.

    Conclusions:

    • The underlying causes of Bell's palsy in pregnancy are likely similar to those in non-pregnant individuals.
    • While outcomes may potentially be poorer in pregnant patients, treatment has historically been withheld.
    • Management protocols for Bell's palsy in pregnancy can generally align with those for non-pregnant patients, with specific considerations for the first trimester.