Surgery before pregnancy linked to increased risk of opioid withdrawal in babies

Babies whose mothers underwent surgery before pregnancy had an increased risk of opioid withdrawal symptoms at birth, found a new study in CMAJ (Canadian Medical Association Journal). “Use of opioids for pain control after surgery may increase the risk of opioid dependence in women and withdrawal in their newborns,” says lead author Dr. Nathalie Auger, University of Montreal Hospital Research Centre, University of Montreal and McGill University. “We found mothers who had surgery before pregnancy had 1.6 times the risk of neonatal abstinence syndrome; that is, opioid withdrawal symptoms in their future newborns, perhaps because opioid use continues after surgery.” The large study included data on almost 2.2 million births in Quebec between 1989 and 2016. Of the total, 2346 newborns had neonatal abstinence syndrome and, of these, 1052 

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