Weight growth of triplet infants from birth to twelve years of age

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http://hdl.handle.net/10138/234281

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Yokoyama , Y , Pitkäniemi , J M , Kaprio , J & Silventoinen , K 2012 , ' Weight growth of triplet infants from birth to twelve years of age ' , Twin Research and Human Genetics , vol. 15 , no. 5 , pp. 672-679 . https://doi.org/10.1017/thg.2012.42

Title: Weight growth of triplet infants from birth to twelve years of age
Author: Yokoyama, Yoshie; Pitkäniemi, Janne Mikael; Kaprio, Jaakko; Silventoinen, Karri
Contributor: University of Helsinki, Hjelt Institute (-2014)
University of Helsinki, Hjelt Institute (-2014)
University of Helsinki, Sociology
Date: 2012
Language: eng
Number of pages: 8
Belongs to series: Twin Research and Human Genetics
ISSN: 1832-4274
URI: http://hdl.handle.net/10138/234281
Abstract: We analyzed the characteristics associated with the growth in weight of Japanese triplets from birth to 12 years of age. The study included 376 mothers and their 1,128 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' weight growth, gestational age, sex, parity, maternal age at delivery, maternal height, and maternal body mass index were obtained from records in the Maternal and Child Health Handbooks and records in the school where children receive health check-ups. The weight deficit of the triplets compared to the general population of Japan remained between 10% and 17% until 12 years of age. Moreover, at 12 years of age, the differences of weight between the general population and triplets were approximately -4.75 kg for boys and -6.00 kg for girls. Very low birth weight had the strongest contribution to body weight until 8 years of age. After 8 years of age, maternal body mass index was a significant factor affecting the weight of triplets until 12 years of age.
Subject: 3142 Public health care science, environmental and occupational health
triplet
body weight
very low birth weight
maternal body mass index
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