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[Comment] Should serial fetal biometry be used in all pregnancies?

Serial measurements of an infant’s height, weight, and head circumference to monitor growth have been a cornerstone of routine paediatric care. This practice is based on the premise that detection of growth disorders, such as failure to thrive, can be manifestations of malnutrition, metabolic and genetic disorders, or infection and can be treated.1 The frequency with which infant growth is monitored is associated with growth velocity. A general principle in developmental biology is that organisms are most susceptible to insults during periods of rapid growth.