在新鲜胚胎细胞转移和试管婴儿结果之前的人工收缩:试点随机对照研究
Sophie Brouillet1, Anna Gala1, Fatima Barry1
1Department of Reproductive Biology-CECOS, CHU and University of Montpellier, Montpellier, France; Developpement Embryonnaire Fertilite et Environnement, University of Montpellier, INSERM 1203, Montpellier, France.
Reproductive biomedicine online
|June 2, 2024
概括
人工收缩并没有改善新鲜胚胎细胞移植试管婴儿的临床怀孕率. 这项试点研究发现,临床怀孕,多胎怀孕和活产率在各组之间具有相似的结果. 需要进一步进行大规模试验.
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:
- 新鲜胚胎细胞移植是一种常见的试管婴儿手术.
- 优化胚胎细胞质量和移植成功对于改善试管婴儿结果至关重要.
- 研究人工收缩等新技术旨在提高植入和怀孕率.
研究的目的:
- 评估在新鲜单卵母细胞转移之前应用于胚胎囊的人工收缩 (AS) 在改善临床怀孕率方面的有效性.
- 评估AS对多胎妊娠和活产率的影响.
- 探索无细胞DNA (cfDNA) 度与试管婴儿结果之间的关系.
主要方法:
- 一个单心,前性,随机,双盲,受控的试点研究,涉及150对接受新鲜单胞胎移植的夫妇.
- 参与者被随机分配到一个人工收缩 (AS) 组 (激光脉冲到皮) 或对照组 (无AS).
- 临床结果 (怀孕,多胎怀孕,活产) 和培养基中的cfDNA度使用治疗意图和每协议分析进行了分析.
主要成果:
- 在治疗意图分析中,AS组 (49.5%) 和对照组 (48.9%) 的临床怀孕率相似.
- 每项协议分析也显示了类似的临床怀孕率 (AS:51.1%,对照:48.94%).
- 两组之间在多胎妊娠率,活产率,妊娠年龄,出生体重或新生儿性别比率方面没有发现显著差异. cfDNA度与试管婴儿结果没有关联.
结论:
- 在新鲜单芽细胞转移之前对芽细胞细胞进行人工收缩,在这项试点研究中没有显示出临床怀孕率的显著改善.
- 该技术没有影响其他关键的试管婴儿结果,如多胎妊娠或活产率.
- 需要进行更大规模的随机对照试验来验证这些初步发现,并最终评估人工收缩在试管婴儿中的作用.
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