Physical Growth from Birth to Two Years: II. Head Circumference. Part I. A Review and Synthesis of North American Research on Groups of Infants

Abstract

This paper presents a colligation of data dealing with the head circum-ference of infants obtained from 39 investigations dating from 1850 to 1945. Intercomparisons and generalizations are derived on head girth in relation to age, sex, lineage, socio-economic status, secular period, diet, disease, prematurity, birth molding, and birth order.