Mild ID during pregnancy might have an impact on brain development, despite
maintained normal thyroid hormone levels.19 — 22 In the UK, a longitudinal study19 found 8 - year - old children have an increased risk of being in the lowest quartile of verbal IQ, if their mothers had mild ID in early pregnancy, than children of mothers with normal iodine nutrition.
A single injection of radioactive iodine is curative in around 95 per cent of all hyperthyroid cats, but following treatment occasional blood tests are recommended to
ensure normal thyroid hormone levels are being maintained.
Cats with an enlarged thyroid but
normal thyroid hormone levels.
The first was that cats that consumed large amounts of commercial fish - flavored cat food were more likely to develop the disease (ref) and the second was that limiting the amount of iodine in a cat's diet often returned it to
normal thyroid hormone levels.