<qa>  What is the name of the test that is performed in women with child-bearing potentialPregnancy Pregnant or lactating women are excluded from the protocol overall. In women with child-bearing potential, blood testing for pregnancy will be done with 24 hours before initial testing except for obtaining the medical history and physical examination or any testing involving radioactivity under the protocol. Repeat pregnancy testing will be done before any procedure or drug administration under the protocol that takes place more than one week from a previous pregnancy test. Participants will not start or remain in the study if pregnancy test is positive. 