Last month we looked at how embryos develop (see https://fertilitymatters.ca/embryo-development-and-evaluation-part-1/) now we’re going to look at how grading works. We’ll start with cleavage stage embryos and then next month look at blastocyst stage embryos! Just a quick recap. On Day 0 the egg is fertilized and this fertilized egg then divides (or “cleaves”) over theRead more