根据精子参数的预期生殖结果,包括DNA碎片化,在重复的妊娠流产中
Maria Christine Krog1, Josefine Reinhardt Nielsen2, Anna Slot2
1Recurrent Pregnancy Loss Unit, Copenhagen University Hospitals, Rigshospitalet and Hvidovre Hospital, Copenhagen and Hvidovre, Denmark; Department of Clinical Immunology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark; Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.
Reproductive biomedicine online
|June 16, 2024
概括
精子DNA碎片化指数 (DFI) 和度并不能预测复发性妊娠损失 (RPL) 情侣的妊娠损失. 然而,改善的精子形态增加了活产的机会,而更高的DFI阻碍了受孕.
科学领域:
- 生殖医学 生殖医学
- 安德罗学与人类学
- 不孕症研究 不孕症研究
背景情况:
- 经常性流产 (RPL) 影响了大量夫妇,影响了生殖结果.
- 精子参数,包括DNA碎片化指数 (DFI),形态和度在RPL中的作用尚未完全理解.
- 在RPL夫妇中确定成功怀孕的预测标记对于有针对性的干预至关重要.
研究的目的:
- 调查精子DNA碎片化指数 (DFI),精子形态和精子度与经历重复妊娠丧失 (RPL) 的夫妇的潜在生殖结果之间的关联.
- 确定这些精子参数是否可以预测进一步流产的风险或转诊后实现活产的可能性.
主要方法:
- 一项前性队列研究,涉及95对有史以来不明原因的RPL或晚期妊娠损失的夫妇.
- 精子参数包括DFI (通过精子染色体结构试验),形态和度在转诊时被评估.
- 随访时间从12个月到31个月,以记录随后的妊娠结果,包括活产和妊娠损失.
主要成果:
- 85.3%的夫妇在转诊后怀孕,而56.8%的夫妇生了活产.
- 在经历过怀孕流产的夫妇和实现活产的夫妇之间,没有发现基线DFI的显著差异.
- 改善精子形态与增加活产几率有关 (调整后OR为1.26,P=0.014),而DFI和精子度并不能预测第一个怀孕的结果.
- 与整体队列 (12.0,P=0.041) 相比,未能怀孕的夫妇的DFI中位数 (17.7) 高于整体队列 (12.0,P=0.041).
结论:
- 在转诊时,精子DFI,形态和度不是可靠的预测指标来识别风险较高的RPL夫妇.
- 基线DFI增加与难以怀孕的困难有关.
- 精子形态的改善表明,在RPL.伴侣中,精子形态的改善与实现活产的几率增加的积极关联.
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