Intended for healthcare professionals


Hypothyroidism in pregnancy affects babies' intelligence

BMJ 1999; 319 doi: (Published 28 August 1999) Cite this as: BMJ 1999;319:533
  1. Scott Gottlieb
  1. New York

    Pregnant women with untreated hypothyroidism give birth to children with slightly lower IQs, according to a new study, but experts disagree on whether the difference is enough to justify routine screening for pregnant women.

    The study, conducted by a team from the Foundation for Blood Research in Scarborough, Maine, examined whether undetected or inadequately treated maternal thyroid deficiency during pregnancy was associated with lower IQ scores in the offspring in …

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