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GSN Races to Improve Prenatal Tests for Genetic Conditions
There are roughly 4 million annual births in the United States, but only about 1 percent of expectant mothers have tests that definitively indicate whether their babies will have a genetic disorder, data from the National Center for Health Statistics suggest. Gene Security Network (GSN) now sells a test for babies being conceived through in vitro fertilization (IVF). It’s in the process of developing a new test for unassisted pregnancies that it says will rival Sequenom’s (SQNM) recent arrival on the market. GSN’s IVF test — which is conducted on a single cell the third day after fertilization, before the embryo is transferred — has an accuracy rate averaging above 98.5 percent, and low false positive and false negative rates.