在兄弟捐赠卵子中比较单步升温和传统升温:一项概念验证研究
Ana Cobo1, Aila Coello1, Lucía Murria2
1IVIRMA Global Research Alliance, IVIRMA Valencia, 46015 Valencia, Spain.
Reproductive biomedicine online
|February 20, 2026
概括
与传统方法相比,对捐赠卵细胞的新一阶段升温协议显示了与传统方法相似的生存率和临床结果. 这种更快的升温技术为卵子冷保存和辅助生殖提供了一个安全的替代方案.
科学领域:
- 生殖生物学和冷保存技术.
- 在体外受精 (IVF) 和辅助生殖技术 (ART).
背景情况:
- 卵细胞冷保存对于保持生育能力和辅助生殖至关重要.
- 对于玻璃化卵子细胞的常规加热协议是耗时的,涉及多个步骤.
- 优化升温程序可以提高卵子捐赠计划的效率和结果.
研究的目的:
- 为了比较一种新的一步性卵子细胞升温协议与传统的多步方法的有效性.
- 评估两个升温方案之间的卵细胞存活率,胚胎发育和临床结果的差异.
- 评估捐赠卵子的一步加热程序的安全性和可行性.
主要方法:
- 一项前性随机试验,涉及352个玻璃化捐赠卵子细胞 (元期II).
- 卵子被随机分配到单步加热 (1分钟) 或常规加热 (10分钟,3步).
- 关键结果包括卵细胞存活率,受精率,胚胎质量,植入和持续怀孕率.
主要成果:
- 在单步变暖 (96.1%) 和常规变暖 (94.2%) 之间,生存率没有统计学上显著的差异.
- 观察到可使用的胚芽细胞 (55.3%与52.1%) 和优质胚芽细胞 (46.1%与43.6%) 的比率相似.
- 每次胚胎移植的植入率 (69.2%对58.8%) 和持续怀孕率 (53.8%对41.2%) 相似.
结论:
- 一步升温协议是一种安全有效的方法,用于升温捐赠卵子.
- 这种快速的协议可以将卵细胞的存活率和临床结果与传统的升温相比较.
- 一步式方法提供了一个可行的替代方案,有可能提高卵细胞冷保存的效率.
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