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 ...

A new test may be better at detecting potentially harmful genetic changes in children before they are born than current methods, researchers say. The test, called a chromosomal microarray, detected ...

Cell-free fetal DNA (cffDNA) in the supernatant of amniotic fluid, which is usually discarded, can be used as a sample for prenatal diagnosis. For rapid prenatal diagnosis of frequent chromosome ...

To understand the ability of microarray-based comparative genomic hybridization to detect copy-number variation in the presence of maternal cell contamination. To simulate maternal cell contamination, ...

Twenty-one weeks into her pregnancy, Barbara Farlow discovered that her daughter Annie would be born with the genetic disorder trisomy 13, a chromosomal abnormality — and a label — that would ...

A California company hopes to take the needles — and risk — out of prenatal genetic testing. Each year, about 200,000 amniocentesis tests are performed, according to the Mayo Clinic, most during the ...

In science news today, there is a new prenatal test that has shown great promise for detecting more chromosomal abnormalities that could lead to problems like autism and mental retardation in fetuses.

A new genetic test using microarray analysis provides a more comprehensive examination of a fetus’s DNA than the currently used karotyping, a study has shown. A clinical trial of 4,400 patients over ...

Twenty-one weeks into her pregnancy, Barbara Farlow discovered that her daughter Annie would be born with the genetic disorder trisomy 13, a chromosomal abnormality — and a label — that would ...