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Published in: Journal of Bone and Mineral Metabolism 6/2020

01-11-2020 | Underweight | Original Article

Maternal pre-pregnancy underweight is associated with underweight and low bone mass in school-aged children

Authors: Yuki Fujita, Katsuyasu Kouda, Kumiko Ohara, Harunobu Nakamura, Masayuki Iki

Published in: Journal of Bone and Mineral Metabolism | Issue 6/2020

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Abstract

Introduction

A number of studies have reported that pre-pregnancy overweight status is associated with offspring obesity, yet only a few studies have examined pre-pregnancy underweight status as it associates with offspring health. The aim of the present study was to assess the effect of pre-pregnancy underweight status in a mother on health outcomes in her offspring. To this end, the primary outcome examined in the present study was underweight status in the offspring, with a secondary outcome of offspring low bone mass.

Materials and methods

The present retrospective cohort study, conducted from 2008 to 2011, targeted a source population of all students registered as fifth-graders at three public elementary schools in Hamamatsu and Fukuroi cities. Maternal height and weight before and after pregnancy and offspring weight and height at birth were obtained from the Maternal and Child Health Handbook. Offspring weight and height at age 10 years were measured using standard procedures. Offspring total body less head (TBLH) bone mineral content (BMC) was determined with a dual-energy X-ray absorptiometry scanner.

Results

Pre-pregnancy underweight status was found to be associated with an increased risk of an underweight status in female offspring (OR = 2.88, 95% CI 1.06–7.81). Offspring TBLH BMC in the underweight mother group was significantly lower than that in the non-underweight mother group.

Conclusions

We determined that pre-pregnancy underweight status was more likely to lead to an underweight status and low TBLH BMC in school-aged offspring.
Literature
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Metadata
Title
Maternal pre-pregnancy underweight is associated with underweight and low bone mass in school-aged children
Authors
Yuki Fujita
Katsuyasu Kouda
Kumiko Ohara
Harunobu Nakamura
Masayuki Iki
Publication date
01-11-2020
Publisher
Springer Singapore
Published in
Journal of Bone and Mineral Metabolism / Issue 6/2020
Print ISSN: 0914-8779
Electronic ISSN: 1435-5604
DOI
https://doi.org/10.1007/s00774-020-01121-1

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