Topic Contents:

Thyroid Hormone Tests - How It Feels

Blood test

The blood sample is taken from a vein
in your arm. An elastic band is wrapped around your upper arm. It may feel
tight. You may feel nothing at all from the needle, or you may feel a quick
sting or pinch.

Heel stick

A brief pain, like a sting or a pinch,
is usually felt when the lancet punctures the skin. Your baby may feel a little
discomfort with the skin puncture.

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Thyroid Hormone Tests - How It Is Done
A heel stick is used to obtain a blood sample from a newborn. The baby's heel is pricked with a sharp instrument (lancet) and several drops of blood are collected.

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