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Spontaneous hypothyroidism in adult women is predicted by small body size at birth and during childhood

Record type: Article

BACKGROUND: The relationships of early growth with coronary heart disease and type 2 diabetes have received considerable attention. It is not known whether fetal or childhood growth is linked with autoimmune disorders.
OBJECTIVE: Our objective was to assess whether the risk of adult-onset spontaneous hypothyroidism is predicted by body size at birth and during childhood.
DESIGN AND SETTING: We conducted a birth cohort study in Helsinki, Finland.
PARTICIPANTS: A total of 293 women who were born between 1934 and 1944 and had their heights and weights recorded at birth and during childhood participated in the study.
MEASUREMENTS: We measured spontaneous hypothyroidism, defined as: 1) a disease history confirmed from medical records, or 2) previously undiagnosed hypothyroidism (TSH > 10 mU/liter).
RESULTS: Twenty women (6.8%) had spontaneous hypothyroidism; 18 had been diagnosed previously, between 43 and 65 yr of age, and two had undiagnosed subclinical hypothyroidism. In addition, 59 women were thyroid peroxidase antibody positive. Compared with the 214 thyroid peroxidase antibody-negative women with no thyroid disorder, those with spontaneous hypothyroidism had on average 252 g [95% confidence interval (CI), 61 to 443 g; P = 0.01] lower birth weight and 1.2 cm (95% CI, 0.5 to 2.0 cm; P = 0.002) shorter length at birth. The odds of developing hypothyroidism increased 4.4-fold per kilogram decrease in birth weight (95% CI, 1.4 to 14.1). Hypothyroid subjects had been shorter in early childhood and had lower body mass index during later childhood.
CONCLUSIONS: Small body size at birth and during childhood increases the risk of spontaneous hypothyroidism in adult women.

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Citation

Kajantie, Eero, Phillips, David I., Osmond, Clive, Barker, David J., Forsen, Tom and Eriksson, Johan G. (2006) Spontaneous hypothyroidism in adult women is predicted by small body size at birth and during childhood Journal of Clinical Endocrinology and Metabolism, 91, (12), pp. 4953-4956. (doi:10.1210/jc.2006-1093).

More information

Published date: 2006
Keywords: hypothyroidism, Finland, childhood, coronary-heart-disease, weight, diabetes, heart, cardiovascular disease, body size, height, body mass index, birth-weight, size, no, risk, cohort studies, research, medical records, women, fetal, disease, cohort, birth, mass, birth weight, coronary heart disease, adult, growth, thyroid

Identifiers

Local EPrints ID: 61262
URI: http://eprints.soton.ac.uk/id/eprint/61262
ISSN: 0021-972X
PURE UUID: 530a5b11-bbf1-4d64-a595-8e54c12541a8
ORCID for Clive Osmond: ORCID iD orcid.org/0000-0002-9054-4655

Catalogue record

Date deposited: 12 Sep 2008
Last modified: 17 Jul 2017 14:22

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Contributors

Author: Eero Kajantie
Author: David I. Phillips
Author: Clive Osmond ORCID iD
Author: David J. Barker
Author: Tom Forsen
Author: Johan G. Eriksson

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