A stretch of viral DNA in the mouse genome gives cells in early-stage embryos the potential to become almost any cell type in ...

The American Society for Reproductive Medicine, one of the largest fertility organizations in the United States, offers non-legally enforceable recommended guidelines encouraging fertility clinics to ...

It’s challenging to sustain a pregnancy when food is short, or conditions are otherwise tough. That’s why many mammalian embryos can postpone their growth to get through periods of environmental ...

DENVER -- After 2017 guidelines recommended single embryo transfer in most situations, the multiple birth rate dropped by 58%, according to a large national registry study. Moreover, single embryo ...

In a world first, embryos have been sent to space so that scientists can study how zero-gravity affects a growing fetus. The mouse embryos were sent to the International Space Station to be raised by ...