Gestational age-dependency of height and body mass index trajectories during the first 3 years in Japanese small-for-gestational age children

Kaori Maeyama, Ichiro Morioka, Sota Iwatani, Sachiyo Fukushima, Daisuke Kurokawa, Keiji Yamana, Kosuke Nishida, Shohei Ohyama, Kazumichi Fujioka, Hiroyuki Awano, Mariko Taniguchi-Ikeda, Kandai Nozu, Hiroaki Nagase, Noriyuki Nishimura, Chika Shirai, Kazumoto Iijima

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Abstract

Gestational age (GA) is thought to affect height growth in small-for-gestational age (SGA) children. However, the GA-specific trajectories in body mass index (BMI) and early appearances of adiposity rebound (AR) have not been fully investigated in a cohort of Japanese SGA children. A longitudinal cohort study was conducted with 1063 SGA children born in Kobe, Japan, with sufficient records from birth to 3 years of age. Subjects were divided into subgroups based on GA: 39-41 weeks GA (n = 723), 37-38 weeks GA (n = 256), 34-36 weeks GA (n = 62), and <34 weeks GA (n = 22). Height and BMI were assessed at 4 months, 9 months, 1.5 years, and 3 years of age. The catch-up rate for height was GA-dependent. Most children with 39-41 weeks GA (91%) caught up by 4 months of age; however, lower GA was associated with a slower elevation in the catch-up rate. The BMI trajectory during the first 3 years was also GA-dependent, with a change in GA dependency at a boundary of 37 weeks GA. Approximately 7% of SGA children had already developed AR before 3 years of age. In conclusion, growth patterns during infancy and early childhood in SGA children differ depending on GA.

Original languageEnglish
Article number38659
JournalScientific reports
Volume6
DOIs
Publication statusPublished - 09-12-2016

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Gestational Age
Body Mass Index
Adiposity
Birth Certificates
Growth
Longitudinal Studies

All Science Journal Classification (ASJC) codes

  • General

Cite this

Maeyama, Kaori ; Morioka, Ichiro ; Iwatani, Sota ; Fukushima, Sachiyo ; Kurokawa, Daisuke ; Yamana, Keiji ; Nishida, Kosuke ; Ohyama, Shohei ; Fujioka, Kazumichi ; Awano, Hiroyuki ; Taniguchi-Ikeda, Mariko ; Nozu, Kandai ; Nagase, Hiroaki ; Nishimura, Noriyuki ; Shirai, Chika ; Iijima, Kazumoto. / Gestational age-dependency of height and body mass index trajectories during the first 3 years in Japanese small-for-gestational age children. In: Scientific reports. 2016 ; Vol. 6.
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title = "Gestational age-dependency of height and body mass index trajectories during the first 3 years in Japanese small-for-gestational age children",
abstract = "Gestational age (GA) is thought to affect height growth in small-for-gestational age (SGA) children. However, the GA-specific trajectories in body mass index (BMI) and early appearances of adiposity rebound (AR) have not been fully investigated in a cohort of Japanese SGA children. A longitudinal cohort study was conducted with 1063 SGA children born in Kobe, Japan, with sufficient records from birth to 3 years of age. Subjects were divided into subgroups based on GA: 39-41 weeks GA (n = 723), 37-38 weeks GA (n = 256), 34-36 weeks GA (n = 62), and <34 weeks GA (n = 22). Height and BMI were assessed at 4 months, 9 months, 1.5 years, and 3 years of age. The catch-up rate for height was GA-dependent. Most children with 39-41 weeks GA (91{\%}) caught up by 4 months of age; however, lower GA was associated with a slower elevation in the catch-up rate. The BMI trajectory during the first 3 years was also GA-dependent, with a change in GA dependency at a boundary of 37 weeks GA. Approximately 7{\%} of SGA children had already developed AR before 3 years of age. In conclusion, growth patterns during infancy and early childhood in SGA children differ depending on GA.",
author = "Kaori Maeyama and Ichiro Morioka and Sota Iwatani and Sachiyo Fukushima and Daisuke Kurokawa and Keiji Yamana and Kosuke Nishida and Shohei Ohyama and Kazumichi Fujioka and Hiroyuki Awano and Mariko Taniguchi-Ikeda and Kandai Nozu and Hiroaki Nagase and Noriyuki Nishimura and Chika Shirai and Kazumoto Iijima",
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Maeyama, K, Morioka, I, Iwatani, S, Fukushima, S, Kurokawa, D, Yamana, K, Nishida, K, Ohyama, S, Fujioka, K, Awano, H, Taniguchi-Ikeda, M, Nozu, K, Nagase, H, Nishimura, N, Shirai, C & Iijima, K 2016, 'Gestational age-dependency of height and body mass index trajectories during the first 3 years in Japanese small-for-gestational age children', Scientific reports, vol. 6, 38659. https://doi.org/10.1038/srep38659

Gestational age-dependency of height and body mass index trajectories during the first 3 years in Japanese small-for-gestational age children. / Maeyama, Kaori; Morioka, Ichiro; Iwatani, Sota; Fukushima, Sachiyo; Kurokawa, Daisuke; Yamana, Keiji; Nishida, Kosuke; Ohyama, Shohei; Fujioka, Kazumichi; Awano, Hiroyuki; Taniguchi-Ikeda, Mariko; Nozu, Kandai; Nagase, Hiroaki; Nishimura, Noriyuki; Shirai, Chika; Iijima, Kazumoto.

In: Scientific reports, Vol. 6, 38659, 09.12.2016.

Research output: Contribution to journalArticle

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T1 - Gestational age-dependency of height and body mass index trajectories during the first 3 years in Japanese small-for-gestational age children

AU - Maeyama, Kaori

AU - Morioka, Ichiro

AU - Iwatani, Sota

AU - Fukushima, Sachiyo

AU - Kurokawa, Daisuke

AU - Yamana, Keiji

AU - Nishida, Kosuke

AU - Ohyama, Shohei

AU - Fujioka, Kazumichi

AU - Awano, Hiroyuki

AU - Taniguchi-Ikeda, Mariko

AU - Nozu, Kandai

AU - Nagase, Hiroaki

AU - Nishimura, Noriyuki

AU - Shirai, Chika

AU - Iijima, Kazumoto

PY - 2016/12/9

Y1 - 2016/12/9

N2 - Gestational age (GA) is thought to affect height growth in small-for-gestational age (SGA) children. However, the GA-specific trajectories in body mass index (BMI) and early appearances of adiposity rebound (AR) have not been fully investigated in a cohort of Japanese SGA children. A longitudinal cohort study was conducted with 1063 SGA children born in Kobe, Japan, with sufficient records from birth to 3 years of age. Subjects were divided into subgroups based on GA: 39-41 weeks GA (n = 723), 37-38 weeks GA (n = 256), 34-36 weeks GA (n = 62), and <34 weeks GA (n = 22). Height and BMI were assessed at 4 months, 9 months, 1.5 years, and 3 years of age. The catch-up rate for height was GA-dependent. Most children with 39-41 weeks GA (91%) caught up by 4 months of age; however, lower GA was associated with a slower elevation in the catch-up rate. The BMI trajectory during the first 3 years was also GA-dependent, with a change in GA dependency at a boundary of 37 weeks GA. Approximately 7% of SGA children had already developed AR before 3 years of age. In conclusion, growth patterns during infancy and early childhood in SGA children differ depending on GA.

AB - Gestational age (GA) is thought to affect height growth in small-for-gestational age (SGA) children. However, the GA-specific trajectories in body mass index (BMI) and early appearances of adiposity rebound (AR) have not been fully investigated in a cohort of Japanese SGA children. A longitudinal cohort study was conducted with 1063 SGA children born in Kobe, Japan, with sufficient records from birth to 3 years of age. Subjects were divided into subgroups based on GA: 39-41 weeks GA (n = 723), 37-38 weeks GA (n = 256), 34-36 weeks GA (n = 62), and <34 weeks GA (n = 22). Height and BMI were assessed at 4 months, 9 months, 1.5 years, and 3 years of age. The catch-up rate for height was GA-dependent. Most children with 39-41 weeks GA (91%) caught up by 4 months of age; however, lower GA was associated with a slower elevation in the catch-up rate. The BMI trajectory during the first 3 years was also GA-dependent, with a change in GA dependency at a boundary of 37 weeks GA. Approximately 7% of SGA children had already developed AR before 3 years of age. In conclusion, growth patterns during infancy and early childhood in SGA children differ depending on GA.

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