Reference Values for Thyroid Function Tests in Pregnant Women Living in Catalonia, Spain

Thyroid ◽  
2010 ◽  
Vol 20 (2) ◽  
pp. 221-225 ◽  
Author(s):  
Lluís Vila ◽  
Mateu Serra-Prat ◽  
Elisabet Palomera ◽  
Roser Casamitjana ◽  
Alfonso de Castro ◽  
...  
Keyword(s):  
Pregnant Women ◽  
Thyroid Function ◽  
Reference Values ◽  
Thyroid Function Tests ◽  
Function Tests

Assessment of normal range of thyroid function tests in healthy Egyptian pregnant women

2018 ◽  
Vol 15 (2) ◽  
pp. 70
Author(s):  
NagwaRoshdy Mohamed ◽  
NerminAhmed Sheriba ◽  
NesmaAli Ibrahim ◽  
AhmedMagdy Hegab
Keyword(s):  
Pregnant Women ◽  
Thyroid Function ◽  
Thyroid Function Tests ◽  
Normal Range ◽  
Function Tests

Gestation specific reference intervals for thyroid function tests in pregnancy

2016 ◽  
Vol 54 (8) ◽  
Author(s):  
Süleyman Akarsu ◽  
Filiz Akbiyik ◽  
Eda Karaismailoglu ◽  
Zeliha Gunnur Dikmen
Keyword(s):  
Pregnant Women ◽  
Thyroid Function ◽  
First Trimester ◽  
Reference Intervals ◽  
Specific Reference ◽  
Thyroid Function Tests ◽  
Second Trimester ◽  
Third Trimester ◽  
The Third ◽  
Function Tests

AbstractThyroid function tests are frequently assessed during pregnancy to evaluate thyroid dysfunction or to monitor pre-existing thyroid disease. However, using non-pregnant reference intervals can lead to misclassification. International guidelines recommended that institutions should calculate their own pregnancy-specific reference intervals for free thyroxine (FT4), free triiodothyronine (FT3) and thyroid-stimulating hormone (TSH). The objective of this study is to establish gestation-specific reference intervals (GRIs) for thyroid function tests in pregnant Turkish women and to compare these with the age-matched non-pregnant women.Serum samples were collected from 220 non-pregnant women (age: 18–48), and 2460 pregnant women (age: 18–45) with 945 (39%) in the first trimester, 1120 (45%) in the second trimester, and 395 (16%) in the third trimester. TSH, FT4 and FT3 were measured using the Abbott Architect i2000SR analyzer.GRIs of TSH, FT4 and FT3 for first trimester pregnancies were 0.49–2.33 mIU/L, 10.30–18.11 pmol/L and 3.80–5.81 pmol/L, respectively. GRIs for second trimester pregnancies were 0.51–3.44 mIU/L, 10.30–18.15 pmol/L and 3.69–5.90 pmol/L. GRIs for third trimester pregnancies were 0.58–4.31 mIU/L, 10.30–17.89 pmol/L and 3.67–5.81 pmol/L. GRIs for TSH, FT4 and FT3 were different from non-pregnant normal reference intervals.TSH levels showed an increasing trend from the first trimester to the third trimester, whereas both FT4 and FT3 levels were uniform throughout gestation. GRIs may help in the diagnosis and appropriate management of thyroid dysfunction during pregnancy which will prevent both maternal and fetal complications.

Reference Intervals of Thyroid Function Tests in First Trimester Vietnamese Pregnant Women

2020 ◽  
Vol 66 (12/2020) ◽  
Author(s):  
Luong Ly ◽  
Nhu Vuong ◽  
Minh Chau ◽  
Hanh Phan ◽  
Quan Pham ◽  
...  
Keyword(s):  
Pregnant Women ◽  
Thyroid Function ◽  
First Trimester ◽  
Reference Intervals ◽  
Thyroid Function Tests ◽  
Function Tests

THYROID FUNCTION DURING PREGNANCY WITH SPECIAL REFERENCE TO HYDATIDIFORM MOLE AND HYPEREMESIS

1978 ◽  
Vol 88 (2) ◽  
pp. 383-389 ◽  
Author(s):  
Th. Bruun ◽  
K. Kristoffersen
Keyword(s):  
Pregnant Women ◽  
Special Reference ◽  
Thyroid Function ◽  
Serum Protein ◽  
Serum Cholesterol ◽  
Hydatidiform Mole ◽  
Normal Pregnancy ◽  
Thyroid Function Tests ◽  
Common Cause ◽  
Function Tests

ABSTRACT The thyroid function tests, serum protein-bound iodine (PBI), serum triiodothyronine reaction (T3-test) and serum cholesterol were measured in three groups of pregnant women: 1) 57 with normal pregnancy, 2) 35 with hyperemesis and 3) 14 with hydatidiform mole. A pattern of high values of PBI and T3-test and relatively low values of cholesterol in most of the patients with hydatidiform mole, and in almost one third of the patients with hyperemesis was found. A positive correlation of the volume of molar tissue and the values of PBI was observed. The treatment of patients with hyperemesis mostly resulted in normalisation of the thyroid function tests, while this was not the case in patients with mole. It is suggested that there might be a common cause of the thyroid stimulation in patients with mole and hyperemesis.

scholarly journals THYROID FUNCTION IN PREGNANCY: MATERNAL AND FETAL OUTCOMES WITH HYPOTHYROIDISM AND SUBCLINICAL THYROID DYSFUNCTION

2011 ◽  
Vol 22 (3) ◽  
pp. 169-187
Author(s):  
NEIL K VANES ◽  
JOHN H LAZARUS ◽  
SHIAO-Y CHAN
Keyword(s):  
Thyroid Hormones ◽  
Pregnant Women ◽  
Thyroid Function ◽  
Thyroid Dysfunction ◽  
Thyroid Disorders ◽  
Thyroid Function Tests ◽  
Fetal Outcomes ◽  
Function Tests ◽  
Maternal Wellbeing ◽  
In Pregnancy

Thyroid hormones are important in the development of the fetus and the placenta as well as in maintaining maternal wellbeing. Thyroid disorders are common in the population as a whole, particularly in women, and therefore are common during pregnancy and the puerperium. Biochemical derangement of thyroid function tests are present in approximately 2.5–5% of pregnant women.

scholarly journals Subject-Based Reference Values in Thyroid Function Tests.

1993 ◽  
Vol 40 (5) ◽  
pp. 557-562 ◽  
Author(s):  
IWAO NAGAYAMA ◽  
KUNIHIRO YAMAMOTO ◽  
KOSHI SAITO ◽  
TAKESHI KUZUYA ◽  
TOSHIKAZU SAITO
Keyword(s):  
Thyroid Function ◽  
Reference Values ◽  
Thyroid Function Tests ◽  
Function Tests

scholarly journals Correlation between Sonographic Findings of Maternal Thyroid Gland and Thyroid Function Tests during Pregnancy

2021 ◽  
Vol 8 (3) ◽  
Author(s):  
Maimoona Rasool ◽  
Sarah Maryam ◽  
M. Sohail Anjum Noor ◽  
Mehreen Fatima ◽  
Sultan Ayaz ◽  
...  
Keyword(s):  
Thyroid Gland ◽  
Pregnant Women ◽  
Thyroid Function ◽  
Great Influence ◽  
Thyroid Volume ◽  
Study Data ◽  
Thyroid Function Tests ◽  
Hormonal Changes ◽  
Function Tests ◽  
Maternal Thyroid

Background: Pregnancy has great influence on maternal thyroid gland. It induces significant physiological as well as hormonal changes that alters the maternal thyroid function. Our goal was to determine this pregnancy associated changes in thyroid gland. Objective: To correlate the sonographic findings of maternal thyroid gland with thyroid function tests during pregnancy. Material and methods: 135 pregnant women were recruited in this study, data of TSH, T3 and T4 was obtained and correlated it with the sonographic findings of maternal thyroid gland in each trimester of pregnancy. Results: In the 135 sampled pregnant women, mean thyroid gland volume was 4.08±1.19 cm3. The mean levels of T3, T4 and TSH were v3.37±.44 pmol/L, 14.96±2.49 pmol/L and 1.21±.92 mIU/L respectively. A remarkable correlation between thyroid hormones and thyroid volume was observed. Conclusion: It is concluded that the ultra-sonographic findings is correlated with the thyroid function tests during pregnancy.

Thyroid function tests in pregnant women with and without goiter in the eastern Black Sea region

2001 ◽  
Vol 15 (4) ◽  
pp. 293-297 ◽  
Author(s):  
C. Erem ◽  
H. Kavgaci ◽  
C. Karahan ◽  
M. Z. Mocan ◽  
M. Telatar
Keyword(s):  
Pregnant Women ◽  
Thyroid Function ◽  
Black Sea ◽  
Thyroid Function Tests ◽  
Black Sea Region ◽  
Function Tests
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