Risk factors for pregnancy-associated Bell's palsy: A nationwide population-based register study.

ABSTRACT:

Introduction

Bell's palsy appears to be more common in pregnancy, but incidence numbers differ. Risk factors for pregnancy-associated Bell's palsy have been discussed, but larger studies are needed to receive significant results.

Material and methods

This study aimed to investigate the incidence and maternal risk factors of pregnancy-associated Bell's palsy. It is a nationwide register-based cohort study. Women with Bell's palsy in Sweden from 2005 to 2015 were identified in the National Patient Register. Women giving birth at ≥22 gestational weeks during the same period were identified in the Medical Birth Register. Pregnancy-associated Bell's palsy was defined as the first diagnosis of Bell's palsy during pregnancy or within the first 2 months postpartum, identified by lin

SUBMITTER: Lansing L 

PROVIDER: S-EPMC12856711 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature