
Preimplantation genetic testing expands beyond rare diseases to predict common health risks
Vox reports on the growing trend of using preimplantation genetic testing for polygenic risk (PGT-P) during IVF to screen embryos for common health conditions, not just rare genetic disorders. This technology allows parents to select embryos with lower statistical risks for conditions like heart disease or diabetes, reflecting a broader cultural push to optimize fertility outcomes. While standard IVF screenings detect chromosomal abnormalities like Down syndrome, PGT-P analyzes multiple gene variants to estimate future health risks, raising ethical questions about the limits of reproductive control.