What is Quad Screening? Quad Screening is a prenatal test to determine the likelihood that a fetus (unborn baby) is affected with trisomy 21 (Down syndrome), trisomy 18, and certain types of birth defects (open neural tube defect or abdominal wall defects). Chromosome abnormalities (e.g. trisomy 21, trisomy 18) occur more frequently as a woman ages.
(From bottom left to bottom right) Michael Fishman as D.J. Conner, Sara Gilbert as Darlene Conner, Roseanne Barr as Roseanne Conner, John Goodman as Dan Conner and Sarah Chalke as Becky Conner. The following is a list of major characters in the television series Roseanne.
Comments2 Share. Sally Spectra (formerly Alexander and Garrison) is a fictional character on the American soap opera The Bold and the Beautiful. She was portrayed by actress Darlene Conley from 1988 until Conley's death on January 14, 2007, and made a guest appearance by an unnamed actress on February 1, 2017.