Yet another reason to get FULL thyroid and vitamin testing BEFORE considering TTC
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159 mothers were identified as being severely T4 deficient (defined as having 5 percent or less of normal T4, but producing a normal amount of thyroid stimulating hormone),
An another research paper
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author Dr Peter Taylor of Cardiff University, UK. "In fact, universal thyroid screening in early pregnancy fulfills most criteria for a beneficial and cost-effective screening program, and has already been implemented in countries like Spain, China and Poland."
But others, like the UK and USA, opt instead for a 'case-finding' approach. This means they screen only those women considered to be at high risk of thyroid dysfunction -- based on clinical signs or symptoms, or a history of autoimmune diseases or preterm deliveries.
So why doesn't everyone agree on universal thyroid screening in early pregnancy?
"Economic models show that universal screening is the most cost-effective approach, even if only obvious hypothyroidism (profoundly low thyroid hormone level) -- which is often missed by case-finding -- affects pregnancy and brain development."