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The “Defective” Embryo That Could Be Your Baby – Fertility Plus
Fertility Plus/LinkedIn
Mar 30, 2026, 12:39

The “Defective” Embryo That Could Be Your Baby – Fertility Plus

Fertility Plus shared a post on LinkedIn:

“The ‘Defective’ Embryo That Could Be Your Baby’
(or: ‘IVF Labs Have Been Throwing Away Viable Embryos — New Research Changes Everything’)

Did you know that the ‘defective’ embryo could actually hold the key to your future baby?  For years, embryos with one pronucleus (1PN) were discarded without a second thought. But a groundbreaking study analyzing nearly 300,000 embryos shows that some of these 1PN embryos are chromosomally normal and can lead to healthy pregnancies!

Modern genetic testing has revolutionized our understanding of these embryos. With advanced techniques like SNP-based PGT-A, clinicians can now identify viable 1PN embryos, giving hope to those who thought all was lost.

Remember, the number of pronuclei is now seen as a guide, not a verdict!
T. Lee, F. Qi, K. Peirce, J. Natalwala, V. Chapple, P.J. Mark, K. Sanders, and Y. Liu

  • Title: To discard or not to discard 1PNs? A systematic review and meta-analysis on 291,474 embryos
  • Journal: Reproductive BioMedicine Online (RBMO)
  • Publication Date/Volume: Volume 52, Issue 2, 2026 IVF”

1PN Embryos

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'Defective' Embryo 1PN Embryos 291 474 embryos and Y. Liu F. Qi Fertility Fertility News Fertility Plus future baby groundbreaking study healthy pregnancies IVF Labs J. Natalwala K. Peirce K. Sanders meta-analysis Modern genetic testing P.J. Mark RBMO Reproductive BioMedicine Online reproductive health Reproductive Medicie SNP-based PGT-A T. Lee V. Chapple Viable Embryos
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