在胚胎染色体微阵列分析后,在发生重复妊娠流产的夫妇中,生殖结果
Yiming Li1, Ran Zhou1, Zhengyi Xia1
1Department of Prenatal Diagnosis, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu Province, China.
Journal of assisted reproduction and genetics
|October 24, 2023
概括
具有染色体异常流产的重复流产 (RPL) 夫妇的后续活产率比正常流产的夫妇要好. 晚年母亲的年龄对所有RPL病例的活产率产生负面影响.
科学领域:
- 生殖医学 生殖医学
- 遗传学 是一个遗传学.
- 孕产妇和胎儿医学 孕产妇和胎儿医学
背景情况:
- 经常性流产 (RPL) 影响了许多夫妇,受孕产品 (POC) 的染色体异常是研究的关键领域.
- 染色体微阵列分析 (CMA) 是一种标准的诊断工具,用于识别RPL的遗传原因.
- 然而,基于流产的POC染色体状况的RPL夫妇的生殖预后仍然不完全理解.
研究的目的:
- 根据POC的CMA遗传测试,评估RPL夫妇的生殖预后.
- 为了比较具有染色体正常和异常流产的RPL夫妇之间的活产率和不良妊娠结果.
主要方法:
- 对1101个RPL对进行POC的CMA进行了回顾性分析.
- 至少24个月的随访数据收集了830对符合纳入标准的夫妇.
- 随后和累积活产率,以及不良怀孕事件被检查.
主要成果:
- 染色体异常流产的RPL夫妇在随后的活产率 (71.6%) 与染色体正常流产 (66.9%) 相比显著更高.
- 累积活产率在各组之间没有显著差异 (82.7%与80.2%).
- 晚年母亲的年龄与降低活产率和增加流产率有关,无论胚胎染色体状态如何. 具有染色体正常流产和多次先前流产史的RPL夫妇的结果较差.
结论:
- 对于有三次或以上流产的RPL夫妇,染色体正常流产表明后续怀孕的预后比染色体异常更差,尽管累积活产率相似.
- 先进的孕产妇年龄是RPL中不良妊娠结果的重要预测因素.
- 对于染色体正常流产的RPL夫妇来说,个性化咨询和支持至关重要,特别是在多次怀孕流产后.
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