Wymore EM, Palmer C, Wang GS, Metz TD, Bourne DWA, Sempio C, Bunik M. Persistence of Δ-9-Tetrahydrocannabinol in Human Breast Milk. JAMA Pediatr. 2021 Mar 8:e206098. doi: 10.1001/jamapediatrics.2020.6098. Epub ahead of print. PMID: 33683306; PMCID: PMC7941249.
This cohort study measures Δ-9-tetrahydrocannabinol levels in breast milk and serum samples from women who were newly abstinent from marijuana and had just delivered an infant.