Prevalence and associated factors of antibiotic exposure during pregnancy in a large French population-based study during the 2010–19 period - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Antimicrobial Chemotherapy Année : 2023

Prevalence and associated factors of antibiotic exposure during pregnancy in a large French population-based study during the 2010–19 period

Anh Tran
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Mahmoud Zureik
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Jeanne Sibiude
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Jérôme Drouin
Sara Miranda
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Alain Weill
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Rosemary Dray-Spira
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Résumé

Abstract Background Although bacterial infections are frequent during pregnancy, the prescription of antibiotics to pregnant women represents a challenge for physicians, driven by the benefit–risk balance. Objectives To assess the extent of prenatal antibiotic exposure and its associated factors. Methods This study included pregnancies in the National Mother-Child EPI-MERES Register 2010–19 (built from the French Healthcare Data System) regardless of outcome. Antibiotic exposure was defined as having at least one antibiotic prescription filled during pregnancy. The prevalence of pregnancies exposed to antibiotics was estimated. Univariable Poisson regression with generalized estimating equations was used to compare the number of antibiotic prescriptions filled during pregnancy and the period after pregnancy with the period 1 year before pregnancy. Multivariable Poisson regression was used to investigate factors associated with antibiotic exposure during pregnancy. Results Among 9 769 764 pregnancies, 3 501 294 (35.8%) were exposed to antibiotics and amoxicillin was the most common. Compared with a similar period 1 year before pregnancy, the number of filled antibiotic prescriptions was lower during pregnancy [incidence rate ratio (IRR) 0.903 (95% CI 0.902–0.905)] and during the period 1 year after pregnancy [IRR 0.880 (95% CI 0.879–0.881)]. Region of residence, deprivation index, smoking-related conditions and chronic diseases (especially chronic respiratory diseases) were associated with antibiotic exposure during pregnancy. Conclusions Antibiotic prescriptions are filled less frequently during pregnancy than during the preceding year. This may be due to a more relevant benefit–risk assessment. Pregnant women living with social deprivation, those with smoking-related conditions and those with chronic diseases are more likely to fill antibiotic prescriptions.
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Dates et versions

hal-04601292 , version 1 (04-06-2024)

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Anh Tran, Mahmoud Zureik, Jeanne Sibiude, Jérôme Drouin, Sara Miranda, et al.. Prevalence and associated factors of antibiotic exposure during pregnancy in a large French population-based study during the 2010–19 period. Journal of Antimicrobial Chemotherapy, 2023, 78 (10), pp.2535-2543. ⟨10.1093/jac/dkad266⟩. ⟨hal-04601292⟩
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