More than 1.5 percent of all babies born annually in the United States are the result of ART — or babies born from pregnancies that were possible thanks to assisted reproductive technology. Reaching ...

A study of almost 1,500 embryos that were implanted in women of all ages found that putting back a good embryo with one that was poorer quality dramatically cut the chance of a successful pregnancy ...

The results showed that compared to transferring a single embryo, transferring two embryos where one was good quality and one was poor resulted in a 27 per cent lower chance of achieving a pregnancy.