How much does an infant's height grow in the first 6 months?

Infants typically experience a growth spurt in length during the first six months of life. On average, an infant grows about 1 inch (or roughly 2.5 centimeters) in height each month during this period. This growth rate reflects the rapid development that occurs during infancy, as the body is adapting to new environmental stimuli and biological needs.

This growth is critical for overall development, as adequate height increases are associated with better health outcomes and support the physical changes that are necessary for increased mobility and sensory experiences. Monitoring an infant's growth is an essential part of pediatric care, helping to ensure that they are developing properly.

In contrast, other options either suggest lower rates of growth or imply that there is no growth, which does not align with the established growth patterns of infants in their first months of life.