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Ting Yuan: Why PGT-A Normal Embryos Can Have Different Outcomes
Ting Yuan/LinkedIn
Apr 19, 2026, 10:45

Ting Yuan: Why PGT-A Normal Embryos Can Have Different Outcomes

Ting Yuan, Co-Founder and Clinical Director at Zhaoxi Fertility Center Malaysia, shared a post on LinkedIn:

“Weekly case insight
Same PGT-A normal embryos.
Completely different outcomes.

Some fail to implant.
Some become biochemical pregnancies.
Some miscarry early.

These are not the same problem.
Clinically, we often see three different mechanisms:

  •  Poor blood supply → embryo can’t implant
  • Immune dysregulation → embryo not well accepted
  • Endometrial instability → implantation occurs but can’t be sustained

In reality, many patients have a mix of these.

What’s more striking:

Even after multiple interventions targeting immune and coagulation pathways,

  • failure can still occur.
  • Treatment ≠ mechanism solved.
    We also see cases where embryo quality improves,
    but implantation still fails.
  • Better embryos don’t fix the underlying issue.

I’m starting to view RIF as a stage-dependent process, not a single diagnosis.
Curious — how do you approach these cases?”

Ting Yuan/LinkedIn

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early miscarriage EarlyMiscarriage EndometrialHealth Fertility Fertility News PGTANormal reproductive health Reproductive Medicine RIF Ting Yuan
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