Portals / Reproduction
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Embryo Selection and Polygenic Screening
Screening IVF embryos for common-disease risk scores is commercially available, but the predicted benefits are small, uncertain, and ethically contested.
Mitochondrial Replacement Therapy
Swapping faulty mitochondria to prevent inherited mitochondrial disease has produced babies under strict regulation — a narrow, heritable germline intervention.
Artificial Wombs and Ectogenesis
Extracorporeal support systems have kept premature lambs developing for weeks, pointing toward partial ectogenesis for extreme prematurity — a long way from full gestation.
In Vitro Gametogenesis
Making eggs and sperm from ordinary cells would upend reproduction — it has produced healthy pups in mice, but a safe human version does not yet exist.
Stem-Cell Embryo Models
Embryo-like structures grown from stem cells let scientists study early development without eggs or sperm — powerful research tools that outrun existing rules.