Purpose To investigate the perinatal risk factors for conductive hearing loss (CHL) in infancy and develop an initial prediction model to facilitate accurate diagnosis and early detection of CHL. Method This retrospective study utilized data from the Newborn Cohort Study of Hearing Loss (ChiCTR2100049765). Infants who underwent diagnostic audiological assessments at our hospital betwe... https://www.nacrack.com/amazing-price-1997-2000-BMW-528I-Front-Bumper-Reinforcement-Bar-Used-Original-Exterior-OEM-great-save/