– PGS, preimplantation genetic screening, refers to removing one or more cells from an in vitro fertilization embryo to test for chromosomal normalcy.
PGD could readily be utilized to choose embryos to be without a hereditary condition. - Monogenic dysfunctions - Pregnancy possibilities - Cancer propensity
PGD is a sort of prenatal genetic testing. In other words, the patient's eggs must be fertilised in vitro and the embryos cultured until the doctor can diagnose her body.
The uterine lining may be less responsive during a stimulated cycle than during a regulated or “artificial” embryo replacement cycle.