Illicit substance exposure in pregnancy and infant mortality risk: a nationwide Taiwan study.

Int J Neuropsychopharmacol · 2025 · PMC12343109 · PMID 40632100

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did not reach statistical significanceno p-value reported

After adjusting for confounders, illicit substance exposure during pregnancy was associated with an increased risk of infant mortality (HR 1.31, 95% CI 0.99–1.73), although the association did not reach statistical significance.

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borderline significantno p-value reported

Mortality risk increased with drug exposure during pregnancy, with borderline significant associations in the first (aHR 1.82, 95% CI 0.98–3.37) and second trimesters (aHR 1.96, 95% CI 0.99–3.86), suggesting heightened vulnerability during early to mid-gestation.

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