It is applied when patients do not wish to know their carrier status but want to ensure that they have offspring free of the disease.

Yet the bill's provisions aren't as safe as common carrier status.

The risk to siblings of an affected individual depends upon the carrier status of the mother herself.

The person can also pass on carrier status.

Her carrier status, which in itself poses virtually no health risk, led him to terminate the relationship.

In the case of an extended family with many affected individuals, carrier status can often be assigned based on pedigree analysis.

Since the 1990s, more sensitive molecular techniques have been used to determine carrier status.

So far, nothing has dented the assumption of common carrier status - except the publishers' own actions.

It's not quite right either to say that there is "an assumption of common carrier status".

Instead of receiving direct results as to their carrier status, each person is given a six-digit identification number.