By Mayo Clinic Staff. The quad screen â also known as the quadruple marker test, the second trimester screen or simply the quad test â is a prenatal test that measures levels of four substances in a pregnant woman's blood: Alpha-fetoprotein (AFP), a protein made by the developing baby.
Georgia Engel who played Georgette Franklin on The Mary Tyler Moore Show. Georgia Engel was born in Washington, D. C. in July 1948. She is best known for playing the role of Georgette Franklin on The Mary Tyler Moore Show. She is also known more recently for playing Pat Macdougall on Everybody Loves Raymond.
Actress Pauley Perette studied criminology before landing her role as a forensic scientist on the popular crime drama NCIS . Learn more at Biography.com. Actress, musician and activist Pauley Perette is best known for her role as a forensic scientist on the crime drama 'NCIS.' Synopsis Actress Pauley Perette initially intended to pursue a career in criminology, earning a masters degree at Valdosta State College. Her first big break came in 1996 with a recurring role on the legal drama Murder One. She found her greatest success as Abby Sciuto, a forensic scientist on the crime drama NCIS.