How to judge congenital hypothyroidism

Patient's question:

Newborn, past treatment and effectiveness: T4: 163 TSH: 5.43 TG: 73.6 What kind of assistance do you want: Do you have hypothyroidism?

Doctor's answer:

The normal range for T4 is 77-205, and for TSH, it is 0.5-4.8. Your child's TSH is high, but T4 is within the normal range. Based on this information alone, it cannot be concluded that the thyroid function is low.
Recommendation: Congenital hypothyroidism often shows atypical symptoms in newborns. The child is usually a post-term baby, with a birth weight lower than that of normal newborns. Symptoms may include prolonged jaundice, abdominal pain, and constipation after birth. Additionally, the child may often be in a deep sleep state, exhibit delayed responses, have a low cry, and a hoarse voice.
It is recommended that you carefully observe your child for any of the above symptoms. Consider rechecking the thyroid function after some time.

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