Fertil Steril:体外受精:GnRH拮抗剂治疗的更佳起始条件

2018-05-24 林巧楠 环球医学网

美国科学家在《Fertil Steril》发表了一项针对27790个体外受精周期的分析,以确定促性腺激素释放激素(GnRH)拮抗剂治疗的最佳起始条件——月经周期、雌激素水平和滤泡大小。

美国科学家在《Fertil Steril》发表了一项针对27790个体外受精周期的分析,以确定促性腺激素释放激素(GnRH)拮抗剂治疗的最佳起始条件——月经周期、雌激素水平和滤泡大小。

背景:GnRH拮抗剂在体外受精过程中用于避免LH的过早涌现,从而避免卵巢过度刺激综合征的发生,但其给药时间在临床尚未得到统一,有在周期固定时间给予的方式;有根据卵泡大小进行个体化给药的。

目的:在体外受精(IVF)控制性超排卵(COH)过程中,确定开始GnRH拮抗剂的最佳标准。

设计:回顾性临床队列分析。

地点:IVF诊所。

患者:COH期间,因排卵抑制而使用GnRH拮抗剂的进行新鲜自体IVF的女性。

干预:测量拮抗剂起始使用时的滤泡大小、E2水平以及月经周期。

主要结局测量指标:临床妊娠率(PR)。

结果:在滤泡达到14~15.9 mm大小(平均临床PR为21.3;95% 置信区间[CI] 19.3,23.6)、月经周期的第六天(平均临床PR为22.2;95% CI 17,28.4)或当E2水平达到500~599 pg/ml(平均PR为25.4;95% CI 19.5,32.4)时开始使用拮抗剂,达到最高临床PR。当E2水平<300或>1100 pg/mL时开始使用GnRH拮抗剂,临床妊娠的几率降低40%(比值比[OR] 0.60,95% CI 0.5,0.7)。

结论:在开始使用拮抗剂时,月经周期、E2水平和滤泡大小都是IVF后临床妊娠的独立预测因素。E2水平过低(<300 pg/mL)或者过高(>1100 pg/mL)时开始使用拮抗剂会显着降低妊娠几率。

原始出处:
Lyttle Schumacher BM, Mersereau JE, Steiner AZ.Cycle day, estrogen level, and lead follicle size: analysis of 27,790 in vitro fertilization cycles to determine optimal start criteria for gonadotropin-releasing hormone antagonist.Fertil Steril. 2018 Apr;109(4):633-637. doi: 10.1016/j.fertnstert.2017.12.021. Epub 2018 Mar 28.

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    2018-05-24 有备才能无患

    美国科学家在发表了一项针对27790个体外受精周期的分析.以确定促性腺激素释放激素(GnRH)拮抗剂治疗的最佳起始条件--月经周期.雌激素水平和滤泡大小.

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人类体外受精-胚胎移植实验室操作专家共识(2016)

体外受精-胚胎移植(IVF-ET)技术已在我国大陆地区发展27年,近15年来,该项技术迅速成长,大批生殖中心在各地陆续建成。2001~2003年,卫生部主管部门颁布了一系列针对辅助生育技术的技术规范及管理办法,使得该项技术走向规范化,得到健康发展。2005年12月,中华医学会生殖医学分会(CSRM)成立,进一步促进了该学科的学术发展。近些年来,中华医学会生殖医学分会各方面专家在临床、实验室方面均积

JAMA:体外受精后卵巢刺激不会增加乳腺癌风险

由于有限的跟进,以前的研究对于体外受精(IVF)治疗后乳腺癌发病风险尚无定论。原始出处:Alexandra W. van den Belt-Dusebout,Mandy Spaan,Cornelis B. Lambalk,et al.Ovarian Stimulation for In Vitro Fertilization and Long-term Risk of Breast Cancer,