Sentences with phrase «called blastocyst stage»
In preimplantation diagnosis, eggs are fertilized in vitro and allowed to develop for five or six days to the so - called blastocyst stage.
https://www.scientificamerican.com/ Not exact matches
The smaller eggs from overweight and obese women were less likely to reach a crucial stage of development called the «blastocyst», which occurs around five days after fertilisation when the embryo resembles a hollow ball of cells.
At the so - called «blastocyst stage,» when the embryo might be destroyed to derive embryonic stem cells, he or she is already a living, individuated organism.