怀孕前的肥胖与体外受精周期新鲜转移的不良结果无关:一项回顾性研究
Ping Tao1, Xiaohong Yan1, Yan Yao2
1Reproductive Medicine Centre, First Affiliated Hospital of Xiamen University, 55# Zhenhai Road, Xiamen, Fujian, 361000, P.R. China.
BMC pregnancy and childbirth
|September 2, 2023
概括
在接受体外受精 (IVF) 的女性中,更高的体重指数 (BMI) 并没有对结果产生负面影响,但肥胖与更高的胚胎细胞形成和早产有关. 内细胞质精子注射 (ICSI) 可以减轻肥胖患者的受精问题.
科学领域:
- 生殖内分泌学 生殖内分泌学
- 不孕症研究 不孕症研究
- 孕产妇和胎儿医学 孕产妇和胎儿医学
背景情况:
- 体重指数 (BMI) 是影响体外受精 (IVF) 成功率的已知因素,但现有研究提出了相互矛盾的发现.
- 了解不同BMI水平对试管婴儿结果的确切影响对于患者咨询和治疗优化至关重要.
研究的目的:
- 研究不同BMI类别对IVF产生的胚胎质量的影响.
- 评估BMI对新鲜胚胎移植临床结果的影响,包括怀孕和活产率.
主要方法:
- 一项回顾性队列研究分析了3465次试管婴儿/ICSI周期的胚胎结果数据和1698次新鲜胚胎转移的临床结果.
- 患者被分为体重不足 (<18.5千克/米2),正常 (18.524千克/米2),超重 (2428千克/米2) 和肥胖 (≥28千克/米2) 的组.
- 用通用线性模型来确定BMI和试管婴儿结果之间的关联.
主要成果:
- 与正常BMI组相比,肥胖与更高的可用胚胎率和囊胚发育率有关.
- 虽然肥胖组的试管婴儿受精率下降,但细胞体内精子注射 (ICSI) 没有显著差异.
- 肥胖与较低的妊娠年龄和单身婴儿早产风险增加有关;然而,超重和肥胖群体的临床结果与正常群体相似.
- 在年轻女性 (≤35岁) 中,较高的BMI与临床怀孕和活产率正相关,特别是在排除PCOS患者后.
结论:
- 超重和肥胖不一定会导致IVF结果差,但可能会影响胚胎细胞形成.
- 内细胞质精子注射 (ICSI) 可能有助于减轻肥胖患者的受精挑战.
- 肥胖与早产单胎婴儿的发病率增加有关,强调需要仔细监测.
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