Screening for and treatment of maternal subclinical hypothyroidism in early pregnancy does not improve the cognitive development of these women’s children, preliminary data from the Controlled Antenatal Thyroid Screening (CATS) study shows. The early findings were presented at the International Thyroid Congress in Paris.
Our reporter Michele Sullivan spoke with Dr. John Lazarus, an endocrinologist at the University of Cardiff in Wales, about the early findings of the study involving 22,000 pregnant women. According to Dr. Lazarus, there was no significant difference in the average IQ at 3.5 years in children born to mothers screened and treated for subclinical hypothyroidism and those born to mothers not screened and treated.
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