解释无法解释的:检查精液参数,精子DNA碎片和金属水平在无法解释的不孕症中的预测价值
Navdeep Kaur Ghuman1, Kamla Kant Shukla2, Srividhya Nandagopal3
1Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India.
Journal of human reproductive sciences
|February 7, 2024
概括
精子DNA损伤和精子水平是男性生育能力的关键指标. 较低的精子DNA碎片化指数 (DFI) 值为18%,提高了在无法解释的不孕症病例中预测生育能力的准确性.
科学领域:
- 生殖医学 生殖医学
- 安德罗学与人类学
- 环境健康 环境健康
背景情况:
- 预测男性生育潜力对于经历不孕症的夫妇至关重要.
- 无法解释的不孕症影响了大量夫妇,需要先进的诊断工具.
- 仅凭精液参数可能无法充分评估男性的生殖能力.
研究的目的:
- 为了比较精液参数,精子DNA损伤,和精子金属水平 (,,) 在男性有不明原因的不孕不育与男性有被证明的生育能力.
- 评估精子DNA碎片化指数 (DFI) 的诊断准确性,以区分肥沃和不肥沃的男性.
- 调查种子金属度与男性生育状态之间的相关性.
主要方法:
- 一项前性病例对照研究,涉及100名患有不明原因子性的男性和50名已证明有子性的男性.
- 标准精子参数,精子DNA碎片化指数 (DFI) 和精子,和水平的比较.
- 统计分析包括千平方测试,学生的t测试,ROC曲线分析和后勤回归.
主要成果:
- 与不解释不育的男性相比,生育不良的男性表现出明显更高的逐步精子运动率和更低的精子DFI.
- 精子体积和精子度在各组之间相似.
- 18%的DFI切线显示出比30%的切线更好的区分精度 (56.67%).
- 种子与生育率有很强的正相关性,而和与生育率有中等的负相关性.
结论:
- 传统的精液分析在诊断无法解释的不孕症方面具有有限的价值.
- 精子DFI,特别是在较低的值 (18%),可以帮助解释不孕不育.
- 精液中水平是男性生育状况的重要指标,表明具有保护作用.
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