Earlier quoted context omitted.
> Yeah when the blastocyst is a few days old they can extract a few cells and cryogenically freeze the remaining blastocyst with minimal chance of having ruined it. Those cells are sent to a lab and screened for many chromosome and genetic defects. Would that part would be different from in utero tests? (short of the freezing of course) It has been 15 years that we did the tests (on amniotic fluid) so the world must…
I’m not sure on the first question but I imagine that yes, the same types of tests are conducted. As for any to-be parents - yes and I’d recommend it. You may find you both carry a relatively rare recessive gene that would give your offspring a 25% of having a certain disorder. This can guide your decision on if you want to go forward with natural fertilization and risk it (and make the choice after testing the cells…
This is a point I never considered (theoretically - I am a parent of teens so the question is over for me). I always assumed that IVF is much more risky (all things taken into account) that natural procreation but I have never actually gave a thought on that.