Pregnancy (Hoboken). 2026 Mar 22;2(2):e70274. doi: 10.1002/pmf2.70274. eCollection 2026 Mar. ABSTRACT INTRODUCTION: The emergence of xylazine, a veterinary alpha-2 and kappa opioid receptor agonist, as an adulterant in illicitly manufactured fentanyl has created new challenges and risks for pregnant people who use unregulated opioids. Xylazine test strips (XTSs) have been proposed as a harm reduc…
