ExploreFinding
Finding decline
Opioid overdose rates were lowest in the third trimester (3.3 per 100,000 person-days) then increased sharply in the postpartum period, with the highest rate at 7-12 months after delivery (12.3 per 100,000 person-days), demonstrating the postpartum year as a period of elevated vulnerability.
Effect size3.3 per 100,000 person-days (3rd trimester) rising to 12.3 per 100,000 person-days (7-12 months postpartum)
CI95% CI 1.6-6.1 (3rd trimester); 95% CI 9.9-15.0 (7-12 months postpartum)
Comparatorthird trimester overdose rate as baseline comparison for postpartum trajectory
Effect summarydecline; 3.3 per 100,000 person-days (3rd trimester) rising to 12.3 per 100,000 person-days (7-12 months postpartum); CI: 95% CI 1.6-6.1 (3rd trimester); 95% CI 9.9-15.0 (7-12 months postpartum)
Adverse eventsopioid-related overdose events 8.0 per 100,000 person days, 3.3 per 100,000 person days (3rd trimester), 12.3 per 100,000 person days (7-12 months postpartum)

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Source

PMC6060005
Fatal and Nonfatal Overdose Among Pregnant and Postpartum Women in Massachusetts
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