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Screening of hypothyroidism in antenatal mothers and its feto-maternal outcome in tertiary care centre

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Author Details : Priyanka Roy, Indranil Dutta*, Arati Biswas

Volume : 6, Issue : 1, Year : 2019

Article Page : 51-57

https://doi.org/10.18231/2394-2754.2019.0012

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Abstract

Introduction: Over the past several years it has been proved that maternal thyroid disorders influence the outcome of mother and fetus, during and also after pregnancy. The most frequent thyroid disorder in pregnancy is maternal hypothyroidism.  Overt hypothyroidism (low serum free T₄ & high TSH level) complicates from 2 to 3 pregnancies per 1000 whereas subclinical hypothyroidism (high serum TSH but normal free T₄ level) is seen in 2.3% cases.² Endemic iodine deficiency accounts for most hypothyroidism in pregnant women worldwide whereas chronic autoimmune thyroiditis is the most common cause of hypothyroidism in iodine sufficient parts of the world.
Objectives: (1) To detect cases of overt or subclinical hypothyroidism in antenatal mothers in early weeks of gestation by screening methods, (2) To start early treatment in positive cases for reduction of deleterious effects on maternal and fetal outcome, (3) To study the maternal complications during antenatal, intranatal and postnatal period in hypothyroid mothers in comparison to euthyroid pregnancy. (4) To note any difference in incidence of low birth weight babies and early neonatal complications in hypothyroid women.
Material and Methods: A prospective clinical study was conducted department of Obstetrics and Gynaecology, Calcutta National Medical College and Hospital, Kolkata, Study population included all pregnant mothers attending antenatal clinic in Calcutta National Medical College and Hospital, Study period was one year (June 2012-May 2013), Sample size is 500 in number.
Results: Cases (hypothyroid, TSH>2.3 µU/ml) constituted 4.4% of the screening population, in which the incidence of overt hypothyroid (free T₄<0>4 within normal range) was 4.4%. Controls (euthyroid, TSH<2>

Keywords: Hypothyroid, Pregnancy.

How to cite : Roy P, Dutta I, Biswas A, Screening of hypothyroidism in antenatal mothers and its feto-maternal outcome in tertiary care centre. Indian J Obstet Gynecol Res 2019;6(1):51-57

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