Midway through her pregnancy four years ago, Denise Bratina got some scary news. Doctors told Bratina, then 37, that amniocentesis results showed that her unborn child was missing a small segment of DNA from chromosome 15. The missing DNA, they said, might cause a long list of problems, including seizures, heart defects and developmental delays. Or it might cause no problems at all.
Five months later, Bratina’s daughter Ella was born healthy.
Some experts worry that microarray testing might provide too much information, since it can reveal genetic abnormalities that may not cause a problem or that have not been linked to known problems or disorders.
Read the full, original story here: New prenatal tests provide more information, but link to problems isn’t clear
