Two studies, taken together, imply that sequencing can identify a genetic cause for ultrasound abnormalities in roughly 10 percent of cases.

Four companies who have developed noninvasive genetic prenatal tests are fighting over who has the patent rights to the new and revolutionary techniques.

Scientists have sequenced the genome of an 18.5 week-old fetus using blood and saliva samples taken from the parents.

Fetal chromosomal microdeletions that can lead to developmental abnormalities are detectable in samples of the mother’s blood.