Ischemic Placental Disease, Preterm Delivery, and their Association with Opioid Use During Pregnancy. Author(s): Esposito DB, Bateman B, Werler M, Straub L, Mogun H, Hernández-Díaz S, Huybrechts K|Journal: Am J Epidemiol|PMID: 34165143| August 2021 Opioids affect placental development and function in animal models, but human data on their association with ischemic placental disease are…