Standard height and weight of infants. Infancy is one of the most important developmental periods in life. From birth to 1 year old, the growth of infant height and weight is the focus of attention of doctors, parents and other people who are concerned about infant growth. This article will elaborate on the knowledge about the standard height and weight of infants from four aspects: the standard of infant height and weight, factors affecting infant height and weight, and how to promote infant growth and development. 1. Standards for infant height and weight Infant height and weight are clear indicators of infant growth and development. According to data released by the National Health Commission, China’s children’s growth and development standards are based on