What is the best time to screen for neonatal hypothyroidism
At birth, due to stress TSH level increases till 3 days(72 hours) , By 72 days ⇒ TSH becomes normal. Hence best time to screen is after 3 days i.e 2 - 4 days after birth.
1 - 2 days after birth
2 - 4 days after birth
1 - 2 has after birth
2 - 4  has after birth