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Cell-free Fetal DNA Test Offers Alternative to Amniocentesis

New blood test now available at Children's Hospital Central California


Perinatologists at the Maternal Fetal Center  at Children's Hospital Central California became the first in the region to offer a new blood test for expectant moms. Given at 10 to 20 weeks’ gestation, the cell-free fetal DNA test identifies the chromosomal abnormalities known as trisomy 21 (Down syndrome), trisomy 18 (Edward syndrome) and trisomy 13 (Pateau syndrome). 
“The cell-free fetal DNA test can be given earlier in the pregnancy and with a much lower risk than amniocentesis,” said Dr. Armando Fuentes, medical director, perinatology, Children’s Hospital. “It’s a noninvasive test that detects Down syndrome with a 98.9 percent rate of accuracy.”

The Maternal Fetal Center offers the new test to high-risk moms who will be at least 35 years old at the time of delivery, had a prior pregnancy with chromosomal abnormalities or received a positive result on their maternal serum screening test.