Suboptimal thyroid function in early pregnancy may influence baby's IQ

Study links mother's hormone levels to grey matter volume in offspring

Maternal thyroid-stimulating hormone (TSH) concentrations in early pregnancy are associated with the volume of grey matter in offspring at 9-12 years of age, according to a novel study finding.

early pregnancy

The Dutch prospective study of 1981 mother-child pairs showed that both low and high maternal TSH influences neurodevelopment in the fetus in a small window between eight and 13 weeks' gestation.

"To the best of our knowledge, this study is the first to show that the association of maternal thyroid function with offspring neurodevelopment