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玻璃化加热芽细胞的玻璃化前和加热后变量,可用于植入,可预测

Anette Gabrielsen¹, Lea Hedegaard Iversen¹, Jens Fedder²

¹Fertility Clinic, Horsens Regional Hospital, 8700 Horsens, Denmark.

Journal of clinical medicine

|October 14, 2023

概括

在单一玻璃化母细胞移植 (SVBT) 后预测临床怀孕是可能的. 关键指标包括胚胎细胞形成的时间 (tB-tPNf),肌体质等级和升温后的胚胎细胞大小,有助于胚胎选择以改善体外受精结果.

科学领域:

生殖医学生殖医学
胚胎学胚胎学
在体外受精 (IVF)

背景情况:

玻璃化是冷保存人类试管婴儿胚胎以后转移的标准.
预测单一玻璃化母细胞移植 (SVBT) 周期中的临床怀孕成功需要确定可靠的胚胎特征.

研究的目的:

评估胚胎在玻璃化前和温暖后的特征,以预测SVBT周期中的临床怀孕.
确定关键的形态动力学和形态学参数,以提高胚胎选择的玻璃化母细胞移植.

主要方法:

一个多中心观察性试验 (IMBOS试验) 分析了182个SVBT和89个临床怀孕.
在玻璃化之前和之后,胚胎在时间缩短系统中培养.
分析了临床怀孕和诸如加德纳分数,胚胎囊崩,KIDScore D5和升温后大小等参数之间的关联.

主要成果:

在玻璃化之前,临床怀孕和母细胞囊塌之间没有发现任何关联.
在玻璃化前的皮层分类显示出与临床怀孕有显著的关联.
临床怀孕的重要预测因素包括胚胎细胞形成的时间 (tB-tPNf),KIDScore D5和升温后的胚胎细胞大小.

结论:

通过结合前玻璃化参数,如tB-tPNf和皮分级,可以改进对SVBT的胚胎选择.
升温后的芽细胞体大小也是预测SVBT后临床怀孕成功的重要因素.
这些发现支持使用特定的胚胎特征来优化冷胚胎移植周期的结果.

关键词:

胚胎细胞囊中的胚胎.植入植入植入植入植入植入植入植入植入形态动力学形态动力学形态学形态学形态学怀孕怀孕怀孕怀孕怀孕预后因素预后因素时间延迟的时间延迟.转移转移转移转移转移转移玻璃化玻璃化玻璃化气候变暖导致的变暖

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