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Growth, body composition, and the onset of puberty: longitudinal observations in Afro-Caribbean children

Growth, body composition, and the onset of puberty: longitudinal observations in Afro-Caribbean children
Growth, body composition, and the onset of puberty: longitudinal observations in Afro-Caribbean children
Context: childhood growth and body composition may influence the onset of puberty.

Objective: ee examined the effects of birth size, growth rates throughout childhood, and body composition on the onset of puberty in Afro-Caribbean children.

Design and setting: this was a longitudinal birth cohort study (the Vulnerable Windows Cohort Study) in Jamaica.

Subjects and measurements: the anthropometry (weight, height, skinfold measurements, and waist circumference) of 259 children was measured at birth, at 6 wk, every 3 months to 2 yr, and then every 6 months. Tanner staging for puberty and orchidometry were performed every 6 months starting at approximately age 8 yr. Bioelectrical impedance was done at age 11 yr.

Results: In the girls, thelarche, pubarche, and menarche occurred at median ages of 8.8, 9.9, and 12.0 yr, respectively. Pubarche in boys occurred at a median age of 11.3 yr when the median testicular volume was 2.8 ml. Faster weight gain during infancy (age 0–6 months) and childhood, but not birth size, was associated with more advanced puberty (P values <0.05). Fat mass at age 8 yr was associated with more advanced puberty (P values <0.001) in both sexes. At age 11 yr, lean mass, but not fat mass, was associated with more advanced puberty (P values <0.001).

Conclusion: these data support the hypothesis that faster growth throughout childhood, especially with fat mass accretion, is associated with more advanced puberty apart from menarche. With the onset of puberty, lean mass accretion significantly increases
0021-972X
3194-3200
Boyne, Michael S.
7d787822-30fc-42e4-b3d4-8d3df98dfabd
Thame, Minerva
92fe8177-22ab-4730-9f30-7e1988ac427b
Osmond, Clive
2677bf85-494f-4a78-adf8-580e1b8acb81
Fraser, Raphael A.
fc027e78-c2b4-4997-94b9-b8713ee710e5
Gabay, Leslie
bb3dce1f-e1ed-47b5-9a2d-e7c43e418d55
Reid, Marvin
f4ff2fb0-21ab-4a6d-8484-f54d81e3b587
Forrester, Terrence E.
d5ed0294-0713-4521-baf9-923f1cae5e7f
Boyne, Michael S.
7d787822-30fc-42e4-b3d4-8d3df98dfabd
Thame, Minerva
92fe8177-22ab-4730-9f30-7e1988ac427b
Osmond, Clive
2677bf85-494f-4a78-adf8-580e1b8acb81
Fraser, Raphael A.
fc027e78-c2b4-4997-94b9-b8713ee710e5
Gabay, Leslie
bb3dce1f-e1ed-47b5-9a2d-e7c43e418d55
Reid, Marvin
f4ff2fb0-21ab-4a6d-8484-f54d81e3b587
Forrester, Terrence E.
d5ed0294-0713-4521-baf9-923f1cae5e7f

Boyne, Michael S., Thame, Minerva, Osmond, Clive, Fraser, Raphael A., Gabay, Leslie, Reid, Marvin and Forrester, Terrence E. (2010) Growth, body composition, and the onset of puberty: longitudinal observations in Afro-Caribbean children. Journal of Clinical Endocrinology & Metabolism, 95 (7), 3194-3200. (doi:10.1210/jc.2010-0080). (PMID:20427487)

Record type: Article

Abstract

Context: childhood growth and body composition may influence the onset of puberty.

Objective: ee examined the effects of birth size, growth rates throughout childhood, and body composition on the onset of puberty in Afro-Caribbean children.

Design and setting: this was a longitudinal birth cohort study (the Vulnerable Windows Cohort Study) in Jamaica.

Subjects and measurements: the anthropometry (weight, height, skinfold measurements, and waist circumference) of 259 children was measured at birth, at 6 wk, every 3 months to 2 yr, and then every 6 months. Tanner staging for puberty and orchidometry were performed every 6 months starting at approximately age 8 yr. Bioelectrical impedance was done at age 11 yr.

Results: In the girls, thelarche, pubarche, and menarche occurred at median ages of 8.8, 9.9, and 12.0 yr, respectively. Pubarche in boys occurred at a median age of 11.3 yr when the median testicular volume was 2.8 ml. Faster weight gain during infancy (age 0–6 months) and childhood, but not birth size, was associated with more advanced puberty (P values <0.05). Fat mass at age 8 yr was associated with more advanced puberty (P values <0.001) in both sexes. At age 11 yr, lean mass, but not fat mass, was associated with more advanced puberty (P values <0.001).

Conclusion: these data support the hypothesis that faster growth throughout childhood, especially with fat mass accretion, is associated with more advanced puberty apart from menarche. With the onset of puberty, lean mass accretion significantly increases

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Published date: July 2010

Identifiers

Local EPrints ID: 165233
URI: https://eprints.soton.ac.uk/id/eprint/165233
ISSN: 0021-972X
PURE UUID: 2743cb1d-c784-4bb7-876e-4065173a42a0
ORCID for Clive Osmond: ORCID iD orcid.org/0000-0002-9054-4655

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Date deposited: 08 Oct 2010 14:09
Last modified: 15 Aug 2019 00:53

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Contributors

Author: Michael S. Boyne
Author: Minerva Thame
Author: Clive Osmond ORCID iD
Author: Raphael A. Fraser
Author: Leslie Gabay
Author: Marvin Reid
Author: Terrence E. Forrester

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