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Thyroid test
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Dr Faisal Zoheb
MBBS , MD PAEDIATRICS , PGPN (BOSTON), Neonatology fellow ( Newborn and vaccination specialist )
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In newborns, thyroid values are different from adults, so they must be interpreted with **newborn reference ranges**.
Based on the values you mentioned:
* **T3 = 176** → within normal range for newborns
* **T4 = 19** → within normal range
* **TSH = 6.2** → slightly higher than adult values but **can still be normal in newborns**, especially in the first few days/weeks of life.
In many newborns, TSH may be mildly elevated after birth and gradually comes down.
What is important:
* Baby feeding well
* Normal activity
* No prolonged jaundice
* Normal growth
Usually doctors recommend **repeating the thyroid test after 2–4 weeks** to confirm that TSH is coming down.
You should consult your pediatrician if:
* TSH remains **above 10–20** on repeat testing
* Baby has symptoms like poor feeding, excessive sleepiness, constipation, or prolonged jaundice.
From the numbers you shared, these values **do not strongly suggest congenital hypothyroidism**, but **follow-up testing is important.**
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I totally understand your concern. Before suggesting treatment, I would like to ask a few questions to ensure the correct management can be provided.
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Dr. G. Avinash MBBS, MD (Pediatrics) Fellowship in Neonatology
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Yes, for a newborn those values are within normal range
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Based on the values shared, the thyroid profile appears to be within the normal range for a newborn. T3 (176) and T4 (19) are within acceptable neonatal limits. A TSH value of 6.2 can also be seen in newborns, especially depending on the age at which the sample was taken, as there is a normal physiological TSH surge after birth.
If the baby is feeding well, active, and passing urine and stools normally, these values are usually not concerning.However, interpretation depends on the baby’s exact age in days when the test was done. If you can share that detail, I can guide you further. In some cases, pediatricians may advise repeating TSH after 2–4 weeks for confirmation.
For newborns, thyroid interpretation is slightly different from adults.
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Yes. At 2-5 days of life, TSH level can be 6.2
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Dr. Tangade Vishal Bhanudas
Pediatrician
4 yrs exp
Pune
Normal
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Dr. Venkatesh Badugu
Pediatrician
9 yrs exp
Hyderabad
Values normal only
Nothing to worry
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Dr. Santosh Bangar
Pediatrician
16 yrs exp
Ahmednagar
Normal
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Dr. Bhatt Vivek Prafulchandra
Pediatrician
5 yrs exp
Rajkot
Yes normal
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Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.