Last data update: Dec 09, 2024. (Total: 48320 publications since 2009)
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Query Trace: Ming-Lun LU[original query] |
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Physical job demands in pregnancy and associated musculoskeletal health and employment outcomes: a systematic review
Macdonald LA , Johnson CY , Ming-Lun LU , Santiago-Colón A , Adam MGP , Kimmel MHJ , Napolitano PG , Saldanha IJ . Am J Obstet Gynecol 2023 OBJECTIVE: A decline in musculoskeletal health during pregnancy is an under-appreciated adverse outcome of pregnancy that can have immediate and long-term health consequences. High physical job demands are known risk factors for non-traumatic musculoskeletal disorders in the general working population. Evidence from meta-analyses suggest occupational lifting and prolonged standing during pregnancy may increase risk of adverse pregnancy outcomes. This systematic review examined associations between occupational lifting or postural load in pregnancy and associated musculoskeletal disorders and related sequalae. DATA SOURCES: Five electronic databases (Medline, Embase, CINAHL, NIOSHTIC-2 and Ergonomic Abstracts) were searched from 1990 to July 2022 for studies in any language. A Web of Science snowball search was performed in December 2022. Reference lists were manually reviewed. ELIGIBILITY CRITERIA: Eligible studies reported associations between occupational lifting or postural load and musculoskeletal health or sequelae (e.g., employment outcomes) among pregnant and postpartum workers. METHODS: Data were extracted using a customized form to document study and sample characteristics, and details of exposures, outcomes, covariates, and analyses. Investigators independently assessed study quality for seven risk of bias domains and overall utility, with discrepant ratings resolved through discussion. A narrative synthesis was conducted due to heterogeneity. RESULTS: Sixteen studies (11 cohort studies, 2 nested case-control studies, and 3 cross-sectional studies) from 8 countries were included (N=142,320 pregnant and N=1,744 postpartum workers). Limited but consistent evidence with variable quality ratings, ranging from critical concern to high, suggests that pregnant workers exposed to heavy lifting (usually defined as ≥22 lbs or ≥10 kg) may be at increased risk of functionally limiting pelvic girdle pain and antenatal leave. Moreover, reports of dose-response relationships suggest graded risk levels according to lifting frequency, ranging from 21% to 45% for pelvic girdle pain and 58% to 202% for antenatal leave. Limited but consistent evidence also suggests that postural load increases the risk of employment cessation. CONCLUSION: Limited but consistent evidence suggests that pregnant workers exposed to heavy lifting and postural load are at increased risk of pelvic girdle pain and employment cessation. Job accommodations to reduce exposure levels may promote safe sustainable employment for pregnant workers. |
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