As a woman ages, the risks of an unsuccessful pregnancy also increase. Risks also exist in women with a history of two or more miscarriages and in men diagnosed with infertility and low sperm count.
The most common cause of unsuccessful pregnancy is various chromosomal disorders and anomalous state of the embryo.
To avoid risks, during the IVF fertilization process, we use modern research: preimplantation genetic test for aneuploidy, aka PGT-A test