Improved oocyte quality is obtained with follicle stimulating hormone alone than with follicle stimulating hormone human menopausal gonadotrophin combination

被引:29
作者
Mercan, R [1 ]
Mayer, JF [1 ]
Walker, D [1 ]
Jones, S [1 ]
Oehninger, S [1 ]
Toner, JP [1 ]
Muasher, SJ [1 ]
机构
[1] HOWARD & GEORGEANNA JONES INST,NORFOLK,VA 23507
关键词
HMG; oocyte quality; pregnancy rates; pure FSH;
D O I
10.1093/humrep/12.9.1886
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
摘要
The aim of this study was to compare the efficacy of pure follicle stimulating hormone (FSH) with that of FSH/human menopausal gonadotrophin (HMG) combination in downregulated cycles, A total of 357 patients was evaluated retrospectively. Sixty percent of patients in the FSH group and 55 % in the FSH/HMG group were new; the others were repeat patients, Ovulation was suppressed with leuprolide acetate in all patients, followed by either FSH (n = 218) or FSH/HMG (n = 119), There was no difference in patients' age, infertility factors, number of ampoules used, length of stimulation, oestradiol levels on day of human chorionic gonadotrophin (HCG) administration, number of oocytes recovered or the number of embryos transferred, Also, nuclear maturity at aspiration and fertilization rates were not different between the two groups, FSH stimulation resulted in a significantly higher percentage of mature oocytes that showed the typical 'mature' morphological characteristics (P < 0.0001), The clinical pregnancy rates per transfer were 40 and 28% in patients stimulated with pure FSH and FSH/HMG respectively (P < 0.05), The significantly higher number of immature oocytes matured in vitro in the FSH/HMG group (P = 0.001) suggests a possible effect on in-vitro maturation, due to luteinizing hormone present in HMG, The difference in mature oocyte quality may be an important determinant in the higher pregnancy rates for the FSH-stimulated patients.
引用
收藏
页码:1886 / 1889
页数:4
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