Identification and characterization of uterine micro-peristalsis in women undergoing in vitro fertilization and embryo transfer via dynamic ultrasound features

Purpose This study aimed to identify the existence of uterine micro-peristalsis (UMP) by dynamic ultrasound features and evaluate the feasibility of UMP as a tool to distinguish pregnant and non-pregnant infertility patients undergoing in vitro fertilization–embryo transfer (IVF–ET), using clinical pregnancy results as a benchmark.