Urinary cotinine levels versus self-reported smoking status for assessing placental abruption risk: the Japan Environment and Children’s study
J Matern Fetal Neonatal Med. 2025 Dec;38(1):2497059. doi: 10.1080/14767058.2025.2497059. Epub 2025 Apr 27. ABSTRACT INTRODUCTION: Placental abruption is a serious complication of pregnancy, and smoking …