U.S., Feb. 20 -- ClinicalTrials.gov registry received information related to the study (NCT07422181) titled 'PlaCEUS: Feasibility Study of Contrast-enhanced Ultrasound to Visualize Maternal Uterine Spiral Arteries Postpartum.' on Dec. 17, 2025.
Brief Summary: During pregnancy, unique blood vessels form within the uterine wall, known as spiral arteries. These vessels originate from the uterine artery, which is the main artery supplying blood to the uterus. Throughout pregnancy, spiral arteries undergo significant changes to increase blood and oxygen flow to the placenta, ensuring the developing baby receives adequate nutrients. When these arteries fail to remodel properly, complications such as pre-eclampsia or fetal growth restriction can ...