<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0864-0300</journal-id>
<journal-title><![CDATA[Revista Cubana de Investigaciones Biomédicas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Invest Bioméd]]></abbrev-journal-title>
<issn>0864-0300</issn>
<publisher>
<publisher-name><![CDATA[ECIMED]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-03002023000100013</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Valores de referencia para la tirotropina y hormonas tiroideas en embarazadas cubanas]]></article-title>
<article-title xml:lang="en"><![CDATA[Reference values for thyrotropin and thyroid hormones in pregnant women in Cuba]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Leal Curí]]></surname>
<given-names><![CDATA[Lisette]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rubén Quesada]]></surname>
<given-names><![CDATA[María de las Mercedes]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Domínguez Alonso]]></surname>
<given-names><![CDATA[Emma Margarita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chambilla Ajallí]]></surname>
<given-names><![CDATA[Zoraida]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Navarro Despaigne]]></surname>
<given-names><![CDATA[Daysi Antonia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gárate Sánchez]]></surname>
<given-names><![CDATA[Andrés Gregorio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Robles Torres]]></surname>
<given-names><![CDATA[Erick]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas de La Habana Instituto Nacional de Endocrinología ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Ciencias Médicas de La Habana Instituto Superior de Ciencias Básicas y Preclínicas &#8220;Victoria de Girón&#8221; ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>42</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-03002023000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-03002023000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-03002023000100013&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  Los parámetros de función tiroidea en las embarazadas se modifican durante el embarazo y son específicos para cada población.  Objetivo:  Establecer los valores de referencia para la tirotropina y las hormonas tiroideas en una población de embarazadas cubanas.  Métodos:  Estudio transversal, en el municipio Plaza de la Revolución de La Habana, Cuba, a 362 gestantes sin antecedentes personales o familiares de enfermedad tiroidea, con anticuerpos anti-tiroideos negativos y ausencia de lesiones en el ultrasonido tiroideo. Se analizaron edad materna, edad gestacional, raza, hábito de fumar, paridad, uso de suplementos yodados, índice de masa corporal, tirotropina, tiroxina total y libre, triyodotironina total y libre. Se establecieron los intervalos de referencia para cada parámetro mediante los percentiles 2,5 y 97,5 como límites inferior y superior, respectivamente. Resultados: Los valores de referencia en el primer, segundo y tercer trimestres fueron para la tirotropina 0,1-3,3 mUI/L, 0,6-3,4 mUI/L y 0,3-3,9 mUI/L; para la TT4 90,1-204,1 nmol/L, 92,2-189,2 nmol/L y 79,8-170,4 nmol/L; para la FT4 7,3-16,7 pmol/L, 6,3-17,3 pmol y 5,6-12,7 pmol/L; para la TT3 1,8-3,9 nmol/L, 1,8-3,9 nmol/L y 1,7-4,0 nmol/L y para la FT3 1,0-7,4 pmol/L, 0,7-6,3 pmol/L y 0,7-5,4 pmol/L, respectivamente.  Conclusiones:  Se determinaron por primera vez los valores de referencia para la tirotropina y las hormonas tiroideas en una población de embarazadas cubanas; estos difieren de los establecidos por los kits diagnósticos y de los recomendados por las guías internacionales previas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Thyroid function parameters in pregnant women are modified during pregnancy and are specific for each population.  Objective:  To establish reference values for thyrotropin and thyroid hormones in a population of Cuban pregnant women.  Methods:  Cross-sectional study, in the Plaza de la Revolución municipality, of 362 pregnant women without personal or family history of thyroid disease, with negative anti-thyroid antibodies and absence of lesions in the thyroid ultrasound. Maternal age, gestational age, race, smoking, number of pregnancies, use of iodine supplements, body mass index, thyrotropin, total (TT4) and free (FT4) thyroxine, total (TT3) and free (FT3) triiodothyronine were analyzed. Reference intervals were established for each parameter using the 2.5 and 97.5 percentiles as lower and upper limits, respectively.  Results:  The reference values in the first, second and third trimesters were for thyrotropin 0.1-3.3 mIUI/L, 0.6-3.4 mIU/L and 0.3-3.9 mIU/L; for TT4 90.1-204.1 nmol/L, 92.2-189.2 nmol/L and 79.8-170.4 nmol/L; for FT4 7.3-16.7 pmol/L, 6.3-17.3 pmol and 5.6-12.7 pmol/L; for TT3 1.8-3.9 nmol/L, 1.8-3.9 nmol/L and 1.7-4.0 nmol/L and for FT3 1.0-7.4 pmol/L, 0.7-6.3 pmol/L and 0.7-5.4 pmol/L, respectively.  Conclusions:  Reference values for thyrotropin and thyroid hormones were determined for the first time in a population of Cuban pregnant women. These values differ from those established by the manufacturer of the diagnostic kits and from those recommended by previous international guidelines.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[embarazo]]></kwd>
<kwd lng="es"><![CDATA[tirotropina]]></kwd>
<kwd lng="es"><![CDATA[hormonas]]></kwd>
<kwd lng="es"><![CDATA[tiroides]]></kwd>
<kwd lng="es"><![CDATA[valores de referencia]]></kwd>
<kwd lng="en"><![CDATA[pregnancy]]></kwd>
<kwd lng="en"><![CDATA[thyrotropin]]></kwd>
<kwd lng="en"><![CDATA[hormones]]></kwd>
<kwd lng="en"><![CDATA[thyroid]]></kwd>
<kwd lng="en"><![CDATA[reference values]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hershman]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Physiological and pathological aspects of the effect of human chorionic gonadotropin on the thyroid]]></article-title>
<source><![CDATA[Best Pract Res Clin Endocrinol Metab]]></source>
<year>2004</year>
<volume>18</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>249-65</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Springer]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Jiskra]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Limanova]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Zima]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Potlukova]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Thyroid in pregnancy from physiology to screening]]></article-title>
<source><![CDATA[Crit Rev Clin Lab Sci]]></source>
<year>2017</year>
<volume>54</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>102-16</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alexander]]></surname>
<given-names><![CDATA[EK]]></given-names>
</name>
<name>
<surname><![CDATA[Pearce]]></surname>
<given-names><![CDATA[EN]]></given-names>
</name>
<name>
<surname><![CDATA[Brent]]></surname>
<given-names><![CDATA[GA]]></given-names>
</name>
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[RS]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Dosiou]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Guidelines of the American Thyroid Association for the diagnosis and management of thyroid disease during pregnancy and the postpartum]]></article-title>
<source><![CDATA[Thyroid]]></source>
<year>2017</year>
<volume>27</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>315-89</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Taylor]]></surname>
<given-names><![CDATA[PN]]></given-names>
</name>
<name>
<surname><![CDATA[Albrecht]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Scholz]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Gutierrez]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Lazarus]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Dayan]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Global epidemiology of hyperthyroidism and hypothyroidism]]></article-title>
<source><![CDATA[Nat Rev Endocrinol]]></source>
<year>2018</year>
<volume>14</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>301-16</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Korevaar]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Medici]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Visser]]></surname>
<given-names><![CDATA[TJ]]></given-names>
</name>
<name>
<surname><![CDATA[Peeters]]></surname>
<given-names><![CDATA[RP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Thyroid disease in pregnancy new insights in diagnosis and clinical management]]></article-title>
<source><![CDATA[Nat Rev Endocrinol]]></source>
<year>2017</year>
<volume>13</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>610-22</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kostecka-Matyja]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Fedorowicz]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Bar-Andziak]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Bednarczuk]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Buziak-Bereza]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Dumnicka]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Reference values for TSH and free thyroid hormones in healthy pregnant women in Poland a prospective, multicenter study]]></article-title>
<source><![CDATA[Eur Thyroid J]]></source>
<year>2017</year>
<volume>6</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>82-8</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bulur]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Atakb]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Ertugrula]]></surname>
<given-names><![CDATA[DT]]></given-names>
</name>
<name>
<surname><![CDATA[Beyana]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Gunakanb]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Karakayaa]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Trimester-specific reference intervals of thyroid function tests in Turkish pregnants]]></article-title>
<source><![CDATA[Gynecol Endocrin]]></source>
<year>2020</year>
<volume>36</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>413-6</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gao]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Sun]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Teng]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gestational TSH and FT4 Reference Intervals in Chinese Women A systematic review and meta-analysis]]></article-title>
<source><![CDATA[Front Endocrinol]]></source>
<year>2018</year>
<volume>9</volume>
<page-range>432</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khalir]]></surname>
<given-names><![CDATA[AB]]></given-names>
</name>
<name>
<surname><![CDATA[Salih]]></surname>
<given-names><![CDATA[BT]]></given-names>
</name>
<name>
<surname><![CDATA[Chinengo]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Bardies]]></surname>
<given-names><![CDATA[MRD]]></given-names>
</name>
<name>
<surname><![CDATA[Turner]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Abdel]]></surname>
<given-names><![CDATA[LO]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Trimester specific reference ranges for serum TSH and Free T4 among United Arab Emirates pregnant women]]></article-title>
<source><![CDATA[Pract Lab Med]]></source>
<year>2018</year>
<volume>12</volume>
</nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[HJ]]></given-names>
</name>
<name>
<surname><![CDATA[Cho]]></surname>
<given-names><![CDATA[YY]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[SW]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[TH]]></given-names>
</name>
<name>
<surname><![CDATA[Jang]]></surname>
<given-names><![CDATA[HW]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[SY]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Reference intervals of thyroid hormones during pregnancy in Korea, an iodine-replete area]]></article-title>
<source><![CDATA[Korean J Intern Med]]></source>
<year>2018</year>
<volume>33</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>552-60</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ruiz]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Piedra]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Lavín]]></surname>
<given-names><![CDATA[BA]]></given-names>
</name>
<name>
<surname><![CDATA[Baamonde]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[MT]]></given-names>
</name>
<name>
<surname><![CDATA[de Castro]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impacto del empleo de umbrales específicos de referencia en el diagnóstico de las alteraciones funcionales tiroideas en la mujer gestante]]></article-title>
<source><![CDATA[Rev Arg Endocrin Metab]]></source>
<year>2017</year>
<volume>54</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>21-8</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Meng]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Thyroid function reference ranges during pregnancy in a large Chinese population and comparison with current guidelines]]></article-title>
<source><![CDATA[Chin Med J]]></source>
<year>2019</year>
<volume>132</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>505-11</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stagnaro-Green]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Abalovich]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Alexander]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Azizi]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Mestman]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Negro]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Guidelines of the American Thyroid Association for the diagnosis and management of thyroid disease during pregnancy and postpartum]]></article-title>
<source><![CDATA[Thyroid]]></source>
<year>2011</year>
<volume>21</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1081-125</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Groot]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Abalovich]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Alexander]]></surname>
<given-names><![CDATA[EK]]></given-names>
</name>
<name>
<surname><![CDATA[Amino]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Barbour]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Cobin]]></surname>
<given-names><![CDATA[RH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Management of thyroid dysfunction during pregnancy and postpartum an Endocrine Society Clinical Practice Guideline]]></article-title>
<source><![CDATA[J Clin Endocrin Metab]]></source>
<year>2012</year>
<volume>97</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>2543-65</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khadilkar]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Thyroid-stimulating hormone values in pregnancy cutoff controversy Continues?]]></article-title>
<source><![CDATA[J Obstet Gynecol India]]></source>
<year>2019</year>
<volume>69</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>389-94</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lazarus]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
<name>
<surname><![CDATA[Daumerie]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Hubalewska-Dydejczyk]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Negro]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Vaidya]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[2014 European Thyroid Association Guidelines for the management of subclinical hypothyroidism in pregnancy and in Children]]></article-title>
<source><![CDATA[Eur Thyroid J]]></source>
<year>2014</year>
<volume>3</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>76-94</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brenta]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Vaisman]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Sgarbi]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Bergoglio]]></surname>
<given-names><![CDATA[LM]]></given-names>
</name>
<name>
<surname><![CDATA[Carvalho de Andrada]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Pineda]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Guías de práctica clínica para el tratamiento del hipotiroidismo]]></article-title>
<source><![CDATA[Arq Bras Endocrinol Metab]]></source>
<year>2013</year>
<volume>57</volume>
<numero>4</numero>
<issue>4</issue>
</nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Terry]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Naturaleza, severidad y situación actual de los desórdenes por deficiencia de yodo]]></article-title>
<source><![CDATA[Rev Cub Hig Epidem]]></source>
<year>2008</year>
<volume>46</volume>
<numero>2</numero>
<issue>2</issue>
</nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baloch]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Carayon]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Conte-Devolx]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Demers]]></surname>
<given-names><![CDATA[LM]]></given-names>
</name>
<name>
<surname><![CDATA[Feldt-Rasmussen]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
<name>
<surname><![CDATA[Henry]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Laboratory support for the diagnosis and monitoring of thyroid disease]]></article-title>
<source><![CDATA[Thyroid]]></source>
<year>2004</year>
<volume>13</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>3-126</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brent]]></surname>
<given-names><![CDATA[GA]]></given-names>
</name>
<name>
<surname><![CDATA[Weetman]]></surname>
<given-names><![CDATA[AP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hypothyroidism and thyroiditis]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Melmed]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Polonsky]]></surname>
<given-names><![CDATA[KS]]></given-names>
</name>
<name>
<surname><![CDATA[Reed Larsen]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Kronenberg]]></surname>
<given-names><![CDATA[HM]]></given-names>
</name>
</person-group>
<source><![CDATA[Williams Textbook of Endocrinology. Philadelphia]]></source>
<year>2016</year>
<page-range>416-48</page-range><publisher-name><![CDATA[Elsevier]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Laurberg]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Linding]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Hindersson]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Nohr]]></surname>
<given-names><![CDATA[EA]]></given-names>
</name>
<name>
<surname><![CDATA[Olsen]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dynamics and predictors of serum TSH and fT4 reference limits in early pregnancy a study within the Danish National Birth Cohort]]></article-title>
<source><![CDATA[J Clin Endocrin Metab]]></source>
<year>2016</year>
<volume>101</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>2484-92</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Oliveira]]></surname>
<given-names><![CDATA[NA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Recent recommendations from ATA guidelines to define the upper reference range for serum TSH in the first trimester match reference ranges for pregnant women in Rio de Janeiro]]></article-title>
<collab>Almeida de Assis AS.Martins C.Ayres D.Martins T.Donner C</collab>
<source><![CDATA[Arch Endocrinol Metab]]></source>
<year>2018</year>
<volume>62</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>386-91</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sekhri]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Juhi]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Wilfred]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Kanwar]]></surname>
<given-names><![CDATA[RS]]></given-names>
</name>
<name>
<surname><![CDATA[Sethi]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Bhadra]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Trimester specific reference intervals for thyroid function tests in normal Indian pregnant women]]></article-title>
<source><![CDATA[Indian J Endocrin Metab]]></source>
<year>2016</year>
<volume>20</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>101-7</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Korevaar]]></surname>
<given-names><![CDATA[TI]]></given-names>
</name>
<name>
<surname><![CDATA[Chaker]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Medici]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[de Rijke]]></surname>
<given-names><![CDATA[YB]]></given-names>
</name>
<name>
<surname><![CDATA[Jaddoe]]></surname>
<given-names><![CDATA[VW]]></given-names>
</name>
<name>
<surname><![CDATA[Steegers]]></surname>
<given-names><![CDATA[EA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Maternal total T4 during the first half of pregnancy physiologic aspects and the risk of adverse outcomes in comparison with free T4]]></article-title>
<source><![CDATA[Clin Endocrinol (Oxf)]]></source>
<year>2016</year>
<volume>85</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>757-63</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dosiou]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Medici]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Management of endocrine disease isolated maternal hypothyroxinemia during pregnancy: knowns and unknowns]]></article-title>
<source><![CDATA[Eur J Endocrinol]]></source>
<year>2017</year>
<volume>176</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>R21-38</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="journal">
<collab>La'ulu SL.Roberts WL</collab>
<article-title xml:lang=""><![CDATA[Second-trimester reference intervals for thyroid tests the role of ethnicity]]></article-title>
<source><![CDATA[Clin Chem]]></source>
<year>2007</year>
<volume>53</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1658-64</page-range></nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fabbro]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Onetto]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Smithuis]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Papaleo]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Cárcano]]></surname>
<given-names><![CDATA[ME]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Distribución de los valores de hormonas del eje tiroideo en una población de embarazadas]]></article-title>
<source><![CDATA[RAEM]]></source>
<year>2013</year>
<volume>50</volume>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
