Did You Know? Marijuana Use While Breastfeeding
Marijuana should not be used during pregnancy or breastfeeding. Studies show possible long term effects on learning and behavior. Urine drug screens done on infants, whose m others smoked marijuana may often screen positive for weeks after one use. Breastfeeding mothers should be counseled to reduce or eliminate their use of marijuana to avoid exposing their infants to this substance and advised of the possible long-term neurobehavioral effects from continued use. Exposure to second-hand marijuana smoke by infants has been associated with an independent two times possible risk of sudden infant death syndrome; because breastfeeding reduces risk of SIDS, this needs to be additionally considered.
Hale, Thomas W.; Medications and Mother’s Milk, 2012
Academy of Breastfeeding Medicine Clinical Protocol #21: Guidelines for Breastfeeding and Substance Use or Substance Use Disorder, Revised 2015.