while adjusting for age, sex, white blood cell counts and technical covariates. Results were combined in a fixed effects meta-analysis adjusting for test-statistics bias and inflation (Bayesian estimates of bias and
The hidden camera conversation unfolded in the midst of a months-long CBC News investigation into a years-long pattern of erroneous results produced by Viaguard's non-invasive prenatal paternity testing. The test - if done correctly - matches DNA from a fetus that is in a mother's blood wit...
For years, I’ve been presenting at conferences on prenatal testing for Down syndrome, explaining how the new tests are based on cell free fetal DNA or “cffDNA.” Turns out I was wrong. Here’s why. This past week I gave a poster presentation atthe Annual Clinical Meeting for the Amer...
In the real world, however, there is at least one thing men are good at: playing with their babies. Over the last 20 years, research has consistently shown that fathers have a unique way of engaging with small children. Horsing around is more common with fathers than it is with mothers,...
Cells from embryonic tissues reveal certain genetic abnormalities, including enzyme deficiencies, that may be present in newborn babies, thus permitting early treatment. Many countries require a blood test of newborn babies to determine the presence of an enzyme necessary to convert an amino acid, ...