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首页> 外文期刊>Twin research and human genetics : >Growth charts of length and height from birth to six years of age in Japanese triplets.
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Growth charts of length and height from birth to six years of age in Japanese triplets.

机译：日本三胞胎从出生到六岁的身长和身高生长图。

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摘要

We analyzed the characteristics associated with the growth in length and height of Japanese triplets from birth to 6 years of age and present the growth charts for them. The study included 354 mothers and their 1,061 triplet children, who were born between 1978 and 2006. Data were collected through a mailed questionnaire sent to the mothers asking for information recorded in medical records. For these births, data on triplets' length and height growth, gestational age, sex, parity, and maternal age at delivery were obtained from records in the Maternal and Child Health Handbooks, which is provided by the authorities after a report of pregnancy. Birth length showed the strongest contribution to height of triplets from 1 to 6 years of age. In addition, birthweight was also a significant contributing factor to height from 1 to 3 years of age. Compared to the 50th percentile of the growth standard for the general population of Japan, the length and height deficit of the triplets was approximately 15% at birth (male, -7.0 cm; female, -7.0 cm), decreased within the first year of age, and fluctuated between 2 and 5% until 6 years of age (male, -3.7 cm; female, -3.3 cm). In conclusion, triplets have lower birth length and subsequent height than singletons. In spite of the catch-up growth during the first year of life, they are behind singletons even in mid-childhood. This study provides height growth curves for triplets.
机译：我们分析了从出生到6岁的日本三胞胎的长度和高度的增长相关的特征，并给出了它们的增长图。这项研究包括了354位母亲及其1,061位三胞胎孩子，这些孩子在1978年至2006年之间出生。数据是通过邮寄给母亲的问卷调查表收集的，要求母亲提供医疗记录中的信息。对于这些婴儿，从《母婴健康手册》中的记录中获得了有关三胞胎的长度和身高增长，胎龄，性别，胎次和产妇年龄的数据，有关记录由当局在怀孕报告后提供。出生长度对1至6岁三胞胎的身高表现出最大的贡献。此外，出生体重也是影响1至3岁身高的重要因素。与日本一般人口的生长标准的第50个百分位数相比，三胞胎的出生时身高和身高不足大约为15％（男性为-7.0厘米;女性为-7.0厘米），在出生第一年内有所下降直到6岁为止（男性为-3.7厘米;女性为-3.3厘米）。总之，三胞胎的出生长度和随后的身高均低于单身人士。尽管在生命的第一年有所增长，但即使在儿童中期，他们仍然落后于单身人士。这项研究提供了三胞胎的高度生长曲线。

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