胚胎移植前去除宫颈管黏液对体外受精-胚胎移植结局的影响

CHINESE JOURNAL OF CLINICIANS(ELECTRONIC EDITION)(2012)

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Abstract
目的 研究在体外受精胚胎移植前去除或者保留宫颈管黏液对胚胎移植结局的影响.方法 628个胚胎移植周期随机分为试验组(n=320)和对照组(n=308),试验组在胚胎移植前用无菌医用细棉签蘸除宫颈管黏液,对照组采用移植管内芯模拟试验组去除宫颈管黏液动作,实际上没有去除宫颈管黏液.比较两组患者促性腺激素(Gn)天数、Gn用量、获卵数、受精率、移植胚胎数、胚胎移植插管时间及临床妊娠率.结果 两组患者Gn天数[(9.87±2.73)d vs (10.25±3.94)d]、Gn用量[(32.23 ±10.35)支 vs.(30.12±110.96)支]、获卵数[(11.29±3.35)枚 vs.(10.81±3.64)枚]、受精率(84.3%vs.83.2%)、移植胚胎数[(2.16±0.59)枚vs.(2.14±0.56)枚]差异无统计学意义(P>0.05).试验组临床妊娠率显著高于对照组(51.9%vs.42.9%)(P<0.05),而插管时间显著低于对照组[(23.33±18.24)s vs.(40.68±22.46)s,P<0.05].结论 胚胎移植前常规去除宫颈管黏液可以缩短插管时间,有助于改善体外受精一胚胎移植临床妊娠结局.
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