Can other members of the family have TFP deficiency or be carriers?
Having TFP deficiency The brothers and sisters of a baby with TFP deficiency have a chance of being affected, even if they haven’t had symptoms. Finding out whether other children in the family have TFP deficiency is important because early treatment may prevent serious health problems. Talk to your doctor or genetic counselor about testing your other children for TFP deficiency. TFP deficiency carriers Brothers and sisters who do not have TFP deficiency still have a chance to be carriers like their parents. Except in special cases, carrier testing should only be done in people over 18 years of age. Each of the parents’ brothers and sisters has a 50% chance to be a TFP deficiency carrier. It is important for other family members to be told that they could be carriers. There is a small chance they are also at risk to have children with TFP deficiency. Some states do not offer newborn screening for TFP deficiency. However, expanded newborn screening through private labs is available for
