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卵子细胞的胚胎学特征和临床结果,这些卵子细胞带有缩的 zona pellucida
概括
带有斜纹 zona pellucida (iZP) 的卵子与长时间的不孕症和胚胎发育的减少有关. 然而,辅助生殖技术,如冷解胚胎移植和细胞体内精子注射,改善了临床怀孕和活产率.
科学领域:
- 生殖生物学 生殖生物学
- 胚胎学 胚胎学
- 辅助生殖技术 (ART) 是一种辅助生殖技术.
背景情况:
- 缩的皮层区域 (iZP) 是一个卵细胞形态特征.
- iZP对ART胚胎学和临床结果的影响尚未完全理解.
研究的目的:
- 用 iZP 调查卵细胞的胚胎特征.
- 评估在辅助生殖治疗周期中与iZP相关的临床结果.
主要方法:
- 比较性研究设计对比了带有 iZP 的卵子与带有正常 zona pellucida (nZP) 的卵子.
- 胚胎学参数的分析,包括卵细胞的检索,成熟,受精,胚胎裂变和胚胎囊形成.
- 评估临床结果,如新鲜胚胎移植 (FET),冷解胚胎移植 (FET) 的临床怀孕 (CP) 和活产 (LBD) 率,以及累积结果.
主要成果:
- 患有 iZP 的患者表现出更长的不孕不育持续时间和更高的初级不孕不育的患病率.
- 在iZP组中观察到明显较低的卵细胞检索,成熟,受精,胚胎裂变,高质量的胚胎和胚胎囊形成率 (p < .05).
- 与对照组相比,新鲜胚胎移植组的CP (43.8%与65.9%) 和LBD (34.4%与58.5%) 显著降低,比对照组更低 (p < .05).
结论:
- 尽管在胚胎发育和新鲜转移结果方面存在最初的挑战,但iZP患者总体表现出令人满意的结果.
- 冷解胚胎移植 (FET) 和细胞内精子注射 (ICSI) 在 iZP 病例中显著改善累积临床怀孕和活产率.
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