The Embryo: Development, Quality and Its Role in Fertility Treatment
A lot rides on the first few days after fertilisation — more than most people realise. For couples going through IVF, a good chunk of what determines the outcome is already being decided in that short stretch of time, before a pregnancy has even properly begun. So it is worth knowing what an embryo really is, how it grows, and why the people in the lab keep such a close eye on it.