为了实施温和刺激试管受孕方案, 路易斯不孕症医疗中心(Infertility Center of St. Louis)主任舍曼・西尔伯(Sherman Silber)采用了平价口服药,并以较低频率为患者注射少量药物,以此刺激她们一次只排出数量适中的卵子。他说此举可提高卵子的平均质量。在某些情况下,如果医生在一个周期内没有培育出足够的胚胎,便会把它们冷冻起来,接着重复治疗周期直到有更多胚胎可供移植为止。
Dr. Silber's research, presented at the October ASRM meeting, found it was more effective, with a higher pregnancy rate per egg, and less expensive than traditional IVF for women 40 and older and for women with low ovarian reserve. Dr. Silber is preparing to submit his data to a peer-reviewed journal.
西尔伯医生在10月份ASRM会议上提交的研究发现,该方案更为有效,每个卵子的受孕率更高,对于年龄在40岁及以上的女性以及卵巢储备较低的女性来说,它的费用也更低。西尔伯医生还准备向一家同行评议的期刊提交他的数据。
Still, the likelihood of needing to repeat minimal-stimulation IVF for success has some doctors concerned. 'I would argue that the evidence speaks against it,' says Norbert Gleicher, medical director of the Center for Human Reproduction, a fertility center in New York. He was an author of a 2017 study published in Reproductive BioMedicine Online that compared 14 women under age 38, with normal ovarian function who underwent low-intensity IVF to 14 who had regular IVF. The low-intensity regimen 'reduced pregnancy chances without demonstrating cost advantages,' the study found. Dr. Gleicher is now trying to get funding for a randomized trial to compare the two approaches.
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