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Year : 2017  |  Volume : 4  |  Issue : 2  |  Page : 81-86

A comparison of microdose flare versus antagonist protocol in poor responders chosen according to the Bologna criteria

1 Department of Obstetrics and Gynecology, All India Institute of Medical Sciences (AIIMS), New Delhi, India
2 Department of Obstetrics and Gynecology, All India Institute of Medical Sciences (AIIMS), Rishikesh, India

Correspondence Address:
Dr. Neena Malhotra
Room No. 3076, Third Floor, Teaching Block, Department of Obstetrics and Gynecology, AIIMS, Ansari Nagar, New Delhi
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/fsr.fsr_10_18

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Background: Uncertainty exists in deciding the optimal stimulation protocol in poor responders undergoing in-vitro fertilization (IVF). Our study aims to compare microdose flare and antagonist protocols in the management of patients considered to be poor responders, chosen according to Bologna criteria. Materials and Methods: In a prospective observational study, 66 poor responders as per the Bologna criteria were recruited to undergo IVF-ICSI cycles using either microdose flare protocol (Group I; n = 28) or the flexible antagonist (Group II; n = 38). Pregnancy rate per cycle was taken as the primary outcome. Total days of stimulation, total dose of gonadotropins, estradiol (E2) and progesterone levels on the day of human chorionic gonadotropin (hCG) trigger, cycle cancellation rate, total oocytes retrieved, total Metaphase II (MII) oocytes, number of embryos formed, number of Grade I embryos, fertilization and cleavage failure, total number of cycles that did not reach embryo transfer were taken as secondary outcome measures. Results: There was no significant difference in the pregnancy rates between the two groups. The microdose flare group (Group I) had higher levels of E2 on the day of hCG trigger (P = 0.03) and more number of MII oocytes (P = 0.04). Conclusion: Patients stimulated with the microdose flare protocol had significantly more E2 levels with the recovery of more MII oocytes, but this did not transform to higher pregnancy rates. A large multicentered randomized trial would be required to draw definite conclusion to achieve significant difference between the cycle cancellation and pregnancy rates between these two protocols for poor responders.

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