نتایج جستجو برای: tsh levels in newborns
تعداد نتایج: 17024599 فیلتر نتایج به سال:
OBJECTIVES The diagnosis and treatment of thyroid diseases in pregnant women remains a challenge. Various medical associations recommend establishing the reference intervals for thyroid hormones by a local laboratory. Considering differences within geophysical, socioeconomic conditions, and iodine prophylaxis in various populations, it is advisable to assess reference intervals for thyroid horm...
BACKGROUND The increasing number of babies conceived by in vitro fertilization and embryo transfer (IVF-ET) shifts concern from pregnancy outcomes to long-time health of offspring. Maternal high estradiol (E2) is a major characteristic of IVF-ET and lasts throughout the first trimester of pregnancy. The fetal thyroid develops during this period and may thus be affected by exposure to the supra-...
background primary congenital hypothyroidism (ch) is the most common treatable cause of mental retardation and can be classified into permanent and transient types. the purpose of this study was to determine the prevalence of permanent and transient congenital hypothyroidism (ch) in hamadan, west province of iran. methods the study population included all cases with primary congenital hypothyro...
Inappropriate TSH hypersecretion was diagnosed in a 34 years old woman. Earlier she had been treated by ablative therapy for hyperthyroidism. The present diagnosis was based on elevated basal serum TSH levels despite elevated serum free thyroid hormone level. Her TSH responses to TRH (peak value 240 mu/I) was high. Her albumin and prealbumin levels were normal. The serum TBG level, alpha subuni...
When newborn screening (NBS) for congenital hypothyroidism (CH) using thyroid-stimulating hormone (TSH) as a primary screening test was introduced, typical TSH screening cutoffs were 20-50 U/L of whole blood. Over the years, lowering of TSH cutoffs has contributed to an increased prevalence of detected CH. However, a consensus on the benefit deriving from lowering TSH cutoffs at screening is la...
To assess the clinical value of a sensitive immunoradiometric assay for TSH (IRMA-TSH), serum IRMA-TSH levels were compared with those of a radioimmunoassay (RIA-TSH) in twenty-eight patients with congenital hypothyroidism. Among 144 samples taken from them, 44 samples showed undetectable RIA-TSH, while only 10 samples were undetectable by IRMA-TSH. In two patients prospectively followed, RIA-T...
background: vitamin d deficiency during pregnancy is associated with some adverse pregnancy outcomes but its relationship with fetal growth is unknown. objective: we compared the 25-hydroxy vitamin d levels between mothers and their small for gestational age (sga) newborns with mothers and their appropriate for gestational age (aga) newborns. materials and methods: the study population included...
Relationship between thyroid stimulating hormone and metabolic syndrome in overweight/obese children
Background: Background: Obesity, especially central obesity is related to many endocrine abnormalities, such as thyroid dysfunctions. Elevated levels of thyroid stimulating hormone (TSH) is common in obese children, however, it is not clear if such condition is associated with increased cardiovascular risk factors. The study aimed to determine the association between levels of TSH in overweight...
conclusions serum t4 and tsh levels in depressive patients were found to be significantly higher than those of the control group, indicating the association between serum t4 and tsh levels and depression in the subjects in 2010 - 2011 in hamedan, northwestern iran. objectives in this study, the serum levels of t3, t4, and tsh in patients with major depressive disorder have been compared to the ...
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