U.S., May 12 -- ClinicalTrials.gov registry received information related to the study (NCT07577388) titled 'Bed Rest With a Short Cervix on Preterm Birth' on May 03.
Brief Summary: Maternal AR has long been used to prevent PTB. However, definitions of AR vary widely, ranging from complete bed rest to partial limitation of physical activity for one or more hours daily.
The use of maternal AR to prevent preterm birth is largely based on observational evidence linking strenuous physical activity to an increased risk of preterm birth, and the assumption that reduced activity may decrease myometrial activity. However, the existing evidence on the clinical effects of AR remains limited and has not demonstrated a reduction in preterm birth or a ...