Comparative study of noninvasive chromosomal screening using blastocyst culture media: frozen–thawed embryos outperform fresh embryos - Takeaways - MDSpire

Comparative study of noninvasive chromosomal screening using blastocyst culture media: frozen–thawed embryos outperform fresh embryos

  • By

  • Xiaojun Wen

  • Junye Huo

  • Zhanhui Ou

  • Xiufeng Lin

  • Wanna Ke

  • Yanjun Lyu

  • Qingni Li

  • Xubin Zhang

  • Zhiming Li

  • June 16, 2026

  • 0 min

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  • 1

    Noninvasive chromosomal screening (NICS) using spent embryo culture medium (SECM) shows high detection success rates in embryo selection.

  • 2

    Frozen-thawed embryos exhibit superior sensitivity and positive predictive value in NICS compared to fresh embryos.

  • 3

    The overall detection performance of NICS in frozen-thawed embryos demonstrates higher clinical consistency than in fresh embryos.

  • 4

    NICS based on SECM could potentially eliminate the need for invasive trophectoderm biopsies in genetic assessment.

  • 5

    The study highlights the importance of developing NICS techniques for frozen-thawed embryos to enhance assisted reproductive technology outcomes.

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