Ethnic Differences in Maternal Thyroid Parameters during Pregnancy: The Generation R Study
Author(s) -
Tim I.M. Korevaar,
Marco Medici,
Yolanda B. de Rijke,
W. Edward Visser,
Sabine M.P.F. de Muinck KeizerSchrama,
Vincent W. V. Jaddoe,
Albert Hofman,
H A Ross,
Herbert Hooijkaas,
Eric A.P. Steegers,
Henning Tiemeier,
Jacoba J. BongersSchokking,
Theo J. Visser,
Robin P. Peeters
Publication year - 2013
Publication title -
the journal of clinical endocrinology and metabolism
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.206
H-Index - 353
eISSN - 1945-7197
pISSN - 0021-972X
DOI - 10.1210/jc.2013-2005
Subject(s) - ethnic group , pregnancy , obstetrics , thyroid , medicine , generation r , gynecology , endocrinology , biology , sociology , genetics , anthropology
Abnormal maternal thyroid function during pregnancy is associated with various complications. International guidelines advocate the use of population-based trimester-specific reference ranges for thyroid function tests. When unavailable, an upper TSH limit of 2.5 for the first trimester and 3.0 mU/L for the second and third trimesters is recommended. Although interindividual differences in thyroid function tests can partially be explained by ethnicity, data on the influence of ethnicity on TSH and free T4 reference ranges during pregnancy are sparse.
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