Backing for universial thyroid screening in pregnancy

All pregnant women should be screened for subclinical hypothyroidism because treatment with low-dose thyroxine prevents adverse neonatal outcomes, research suggests.

Universal screening for subclinical hypothyroidism is controversial and not currently recommended in Australian guidelines.

But a large study from the US has shown that women who receive thyroxine are less likely to have infants with low birth weight or low Apgar scores compared with untreated women.

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