Thanks for doing this!
I saw that Brazil had changed their microcephaly cut off from 33 cm to 32 cm, changing it from -2 to -3 SDs. The reasoning behind it seems to be that no structural anomalies were found in the brains of infants with head sizes between -2 and -3 SDs.
How accurately can one predict whether a baby will have developmental delays in the future based on an MRI? If the MRI of an infant with a head circumference of 32 cm is normal, does that rule out developmental delays?
dystrophin2 karma
Thanks for doing this! I saw that Brazil had changed their microcephaly cut off from 33 cm to 32 cm, changing it from -2 to -3 SDs. The reasoning behind it seems to be that no structural anomalies were found in the brains of infants with head sizes between -2 and -3 SDs. How accurately can one predict whether a baby will have developmental delays in the future based on an MRI? If the MRI of an infant with a head circumference of 32 cm is normal, does that rule out developmental delays?
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