On April 1, 2020, Oak Clinic, Sumiyoshi was approved to join the research related to preimplantation genetic diagnosis for recurrent IVF failure (implantation failure, miscarriage, etc.) and possible links to chromosomal aberration.
The approving body was the Japan Society of Obstetrics and Gynecology, which designated the clinic as a research sharing facility for "multicenter joint research on the usefulness of chromosomal aneuploidy test (PGT-A)".
Oak Clinic Group