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Fetal growth and su...
Fetal growth and subsequent maternal risk of thyroid cancer.
- Article/chapterEnglish2016
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LIBRIS-ID:oai:lup.lub.lu.se:96317a82-bccf-4e64-b527-90ff3e9a79ca
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https://lup.lub.lu.se/record/8038932URI
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https://doi.org/10.1002/ijc.29857DOI
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Language:English
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Summary in:English
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Thyroid cancer has peak incidence among women of reproductive age, and growth factors, which have procarcinogenic properties, may play an important etiologic role. However, the association between fetal growth rate during a woman's pregnancy and her subsequent risk of thyroid cancer has not been previously examined. We conducted a national cohort study of 1,837,634 mothers who had a total of 3,588,497 live-births in Sweden in 1973-2008, followed up for thyroid cancer incidence through 2009. There were 2,202 mothers subsequently diagnosed with thyroid cancer in 36.8 million person-years of follow-up. After adjusting for maternal age, height, weight, smoking, and sociodemographic factors, high fetal growth (birth weight standardized for gestational age and sex) was associated with a subsequent increased risk of thyroid cancer in the mother (incidence rate ratio [IRR] per additional 1 standard deviation, 1.05; 95% CI, 1.01-1.09; P=0.02). Each 1,000 g increase in the infant's birth weight was associated with a 13% increase in the mother's subsequent risk of thyroid cancer (IRR, 1.13; 95% CI, 1.05-1.22; P=0.001). These findings appeared to involve both papillary and follicular subtypes, and did not vary significantly by the mother's height, weight, or smoking status. In this large national cohort study, high fetal growth during a woman's pregnancy was independently associated with a subsequent increased risk of her developing thyroid cancer. If confirmed, these findings suggest an important role of maternal growth factors in the development of thyroid cancer, and potentially may help facilitate the identification of high-risk subgroups of women. This article is protected by copyright. All rights reserved. © 2014 Wiley Periodicals, Inc.
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Sundquist, JanLund University,Lunds universitet,Allmänmedicin och klinisk epidemiologi,Forskargrupper vid Lunds universitet,Family Medicine and Clinical Epidemiology,Lund University Research Groups(Swepub:lu)med-jsu
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Sieh, Weiva
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Winkleby, Marilyn A
(author)
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Sundquist, KristinaLund University,Lunds universitet,Allmänmedicin, kardiovaskulär epidemiologi och levnadsvanor,Forskargrupper vid Lunds universitet,Family Medicine, Cardiovascular Epidemiology and Lifestyle,Lund University Research Groups(Swepub:lu)med-ksq
(author)
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Allmänmedicin och klinisk epidemiologiForskargrupper vid Lunds universitet
(creator_code:org_t)
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In:International Journal of Cancer: Wiley138:5, s. 1085-10930020-7136
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