Cannabis Use Based on Urine Drug Screens in Pregnancy and Its Association With Infant Birth Weight

This study aims to clarify any association between infant birth weight and cannabis use in pregnancy based on urine drug screens. Methods: A retrospective medical record review of singleton births from August 2013 through December 2014 with available urine drug screens (UDS) at initiation of prenatal care and delivery was conducted at a large tertiary academic referral center. Patients who used drugs other than cannabis were excluded. Results: The prevalence of cannabis use in pregnancies not complicated by use of other drugs as evidenced by tetrahydrocannabinol in the urine of 2173 patients was 22.6%. Infants born to mothers who tested positive for only tetrahydrocannabinol in urine at both presentation for prenatal care and delivery were of lower median birth weight compared with those who tested negative [2925 g (IQR 2522–3265) vs 3235 g (IQR 2900–3591), P = 
Source: Journal of Addiction Medicine - Category: Addiction Tags: Original Research Source Type: research