Ounsted M, Moar V A, Scott A
Arch Dis Child. 1985 Oct;60(10):936-9. doi: 10.1136/adc.60.10.936.
Head circumference measurements from birth to 7 years, obtained from longitudinal data on children born between 1970 and 1977, are set against those from studies made in the United Kingdom earlier this century. A positive secular trend is shown. The children's heads were significantly larger than those born in the same locality 25 years earlier. Growth charts should be updated, as necessary, with each succeeding generation.
从1970年至1977年出生儿童的纵向数据中获取的出生至7岁儿童的头围测量值，与本世纪早些时候在英国进行的研究所得数据进行了对比。结果显示出一种积极的长期趋势。这些儿童的头部明显大于25年前在同一地区出生的儿童。应根据需要，为每一代后人更新生长图表。
