ArticleFrontiers in cell and developmental biology2026
Non-invasive assessment of embryo development and ploidy: morphokinetics predict blastulation, and exploratory metabolomics identifies candidate metabolic signatures for euploidy.
Article in Frontiers in cell and developmental biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Purpose: To identify more reliable tools for embryo selection, this study aimed to investigate whether embryonic kinetic parameters and metabolomic profiling of spent culture medium on D3 can predict subsequent blastocyst development and chromosomal euploidy. Methods: This prospective diagnostic study analyzed 1,260 embryos from 111 PGT-M or PGT-A patients (April 2024-July 2025) cultured in time-lapse incubators. For the morphokinetic analysis, generalized linear mixed models with patient ID as a random effect were used to identify kinetic parameters associated with blastocyst formation, and the final model was internally validated using a 70/30 hold-out split. Additionally, metabolomic profiling of D3 spent culture medium from 33 patients was performed using LC-MS, with features prioritized by VIP >1.0 and FDR controlled via the Benjamini-Hochberg procedure for multiple comparisons. Results: Our results delineated specific abnormal cleavage patterns (Direct cleavage, Uneven blastomere, Blastomere fragmentation) and most kinetic parameters (all except t3 and t5) were significantly associated with usable blastocyst formation potential ( Conclusion: Our results demonstrate that early kinetic parameters robustly predict blastocyst formation, whereas D3 SCM metabolomics provides only tentative, effect-size-dependent clues for ploidy status that require cautious interpretation. These complementary findings lay the groundwork for a future integrated noninvasive assessment strategy on D3.
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