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Cystic Fibrosis

Question
Due to the baby's low body weight without other symptoms, we did several tests, including a sweat test with a pathological value of 81 and a sweat amount of 100 mg. The sweat should be 100 mg and above. We then did a genetic test on the baby. It was tested for 2000 mutations and the result was negative, it does not carry any mutations at all. Is it necessary to do a sweat test again? Note that both the sweat test and the genetic test have been done in specialized centers.
Answer
You should contact the specialized cystic fibrosis center that is monitoring the baby.
Best regards,
M. Poulou
09.03.2025