Prevalence of transient congenital hypothyroidism among neonates

RafieiAlavi, Ezatollah and Rafiei, Niloofar and Rafiei, Romina and Farokhi, Ermia (2021) Prevalence of transient congenital hypothyroidism among neonates. Annals of Medicine and Surgery.


Download (360kB) | Preview


Objective Persistence of low levels of thyroid hormone from the time of birth is one of the significant causes of the mental retardation. The aim of this study was to determine the prevalence of transient congenital hypothyroidism among neonates in (XXX). Methods This cross-sectional study, neonates aged 3–5 days who were referred to our center for checkup were screened for thyroid stimulating hormone. Those with TSH < 5mIU/l were, infants were subjected to retesting after one week for TSH and T4 levels. A questionnaire consisting of test results, demographic characteristics, place of sampling, gender, need for re-sampling after the second week for TSH level, birth weight, type of hypothyroidism and prematurity was filled for all the neonates. Results Of 3600 neonates screened, 126 were presented with had TSH above 5 mIU/l, of which 7 had high TSH and low T4 and were diagnosed with transient hypothyroidism (5.3%). The mean weight of the neonates with hypothyroidism of significantly lower, p = 0.001. However, the type of delivery was not associated with the prevalence of hypothyroidism, p = 0.999. The relationship between maternal hypothyroidism, preterm birth and intake of antithyroid drugs and transient hypothyroidism was statistically significant, p < 0.001, respectively. Conclusions The incidence of congenital hypothyroidism was 1 in 514 births and was significantly associated with preterm birth, mean weight, maternal hypothyroidism and intake of antithyroid drugs. Routine screening in high prevalence regions are therefore importance, considering the associated factors.

Item Type: Article
Subjects: R Medicine > R Medicine (General)
Divisions: Faculty of Medicine, Health and Life Sciences > School of Medicine
Depositing User: samira sepahvandy
Date Deposited: 10 Dec 2021 12:08
Last Modified: 10 Dec 2021 12:08

Actions (login required)

View Item View Item