Year-end academic review of 2021: Advances in the field of birth defect prevention and control in China as of 2021

Birth defects,also known as congenital anomalies and malformations,may cause death of fetuses and infants,result in illness and long-term disability in children,and seriously affect the well-being of the population.Birth defects are a major public health concern in many countries worldwide,and we face severe challenges in preventing and controlling them.