Document Detail

Comparison of microdose flare-up and antagonist multiple-dose protocols for poor-responder patients: a randomized study.
MedLine Citation:
PMID:  18990368     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To compare the efficacy of the microdose flare-up and multiple-dose antagonist protocols for poor-responder patients in intracytoplasmic sperm injection-ET cycles. DESIGN: A randomized, prospective study. SETTING: Center for assisted reproductive technology in Turkey. PATIENT(S): Ninety patients with poor ovarian response in a minimum of two previous IVF cycles. INTERVENTION(S): All women were prospectively randomized into two groups by computer-assisted randomization. The patients in group 1 were stimulated according to the microdose flare-up protocol (n = 45), while the patients in group 2 were stimulated according to antagonist multiple-dose protocol (n = 45). MAIN OUTCOME MEASURE(S): The mean number of mature oocytes retrieved was the primary outcome measure, and fertilization rate, implantation rate per embryo, and clinical pregnancy rates were secondary outcome measures. RESULT(S): The mean age of the women, the mean duration of infertility, basal FSH level, and the number of previous IVF cycles were similar in both groups. The total gonadotropin dose used was significantly higher in group 2, while the number of oocytes retrieved was significantly greater in group 1. Although the fertilization and clinical pregnancy rates were nonsignificantly higher in group 1 compared with group 2, the implantation rate was significantly higher in the microdose flare-up group than in the multiple-dose antagonist group (22% vs. 11%). CONCLUSION(S): The microdose flare-up protocol seems to have a better outcome in poor-responder patients, with a significantly higher mean number of mature oocytes retrieved and higher implantation rate.
Aygul Demirol; Timur Gurgan
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial     Date:  2008-11-05
Journal Detail:
Title:  Fertility and sterility     Volume:  92     ISSN:  1556-5653     ISO Abbreviation:  Fertil. Steril.     Publication Date:  2009 Aug 
Date Detail:
Created Date:  2009-08-03     Completed Date:  2009-08-27     Revised Date:  2010-04-26    
Medline Journal Info:
Nlm Unique ID:  0372772     Medline TA:  Fertil Steril     Country:  United States    
Other Details:
Languages:  eng     Pagination:  481-5     Citation Subset:  IM    
Clinic Women Health, Infertility and IVF Center, Hacettepe University Faculty of Medicine, Ankara, Turkey.
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MeSH Terms
Combined Modality Therapy
Contraceptives, Oral, Hormonal / administration & dosage*
Embryo Transfer / methods
Fertilization in Vitro / methods*
Gonadotropin-Releasing Hormone / administration & dosage*
Hormone Antagonists / administration & dosage*
Infertility, Female / therapy*
Ovulation Induction / methods
Pregnancy Outcome*
Treatment Outcome
Reg. No./Substance:
0/Contraceptives, Oral, Hormonal; 0/Hormone Antagonists; 33515-09-2/Gonadotropin-Releasing Hormone
Comment In:
Fertil Steril. 2010 May 1;93(7):e35; author reply e36   [PMID:  20303479 ]

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