COMPARISON OF THE EFFECTIVENESS OF CLOMIPHENE CITRATE VERSUS LETROZOLE IN MILD IVF IN POOR PROGNOSIS SUBFERTILE WOMEN WITH FAILED IVF CYCLES

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OKTEM MESUT; GULER ISMAIL; ERDEM MEHMET; BOZKURT NURAY; KARABACAK ONUR

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Journal: International Journal of Fertility & Sterility Year:2015 | Volume:9 | Issue:3 Page(s): 285-291

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Title

COMPARISON OF THE EFFECTIVENESS OF CLOMIPHENE CITRATE VERSUS LETROZOLE IN MILD IVF IN POOR PROGNOSIS SUBFERTILE WOMEN WITH FAILED IVF CYCLES

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Keywords

ICSI

OVARIAN RESPONSE

CLOMIPHENE CITRATE

LETROZOLE

OVARIAN STIMULATION

Abstract

Background: Our objective was to evaluate the effectiveness of CLOMIPHENE CITRATE (CC) vs. LETROZOLE (L) plus human menopausal gonadotropin (hMG) in gonadotropin releasing hormone (GnRH) antagonist protocol in poor prognosis women with previous failed OVARIAN STIMULATION undergoing intracytoplasmic sperm injection (ICSI).Materials and Methods: This retrospective cohort study included cycles with CC and L plus hMG/GnRH antagonist protocols of 32 poor responders who had failed to have ideal follicles to be retrieved during oocyte pick-up (OPU) or embryo transfer (ET) at least for 2 previous in vitro fertilization (IVF) cycles with microdose flare protocol or GnRH antagonist protocol from January 2006 to December 2009. Main outcome measures were implantation, clinical pregnancy and live birth rates per cycle. Duration of stimulation, mean gonadotropin dose used, endometrial thickness, number of mature follicles, serum estradiol (E2) and progesterone (P) levels on the day of human chorionic gonadotropin (hCG) administration, number of retrieved oocytes and fertilization rates were also evaluated.Results: A total number of 42 cycles of 32 severe poor responders were evaluated. Total gonadotropin consumption was significantly lower (1491±873 vs. 2808±1581 IU, P=0.005) and mean E2 level on the day of hCG injection were significantly higher in CC group than L group (443.3±255.2 vs. 255.4±285.2 pg/mL, P=0.03). ET, overall pregnancy and live birth rates per cycle were significantly higher in CC than L protocol (27.2 vs. 15%, 13.6 vs. 0% and 4.5 vs. 0%, respectively, P<0.05).Conclusion: Severe poor responders who had previously failed to respond to microdose or GnRH antagonist protocols may benefit from CC plus hMG/GnRH antagonist protocol despite high cancellation rate.

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APA: Copy

OKTEM, MESUT, GULER, ISMAIL, ERDEM, MEHMET, BOZKURT, NURAY, & KARABACAK, ONUR. (2015). COMPARISON OF THE EFFECTIVENESS OF CLOMIPHENE CITRATE VERSUS LETROZOLE IN MILD IVF IN POOR PROGNOSIS SUBFERTILE WOMEN WITH FAILED IVF CYCLES. INTERNATIONAL JOURNAL OF FERTILITY AND STERILITY, 9(3), 285-291. SID. https://sid.ir/paper/305823/en

Vancouver: Copy

OKTEM MESUT, GULER ISMAIL, ERDEM MEHMET, BOZKURT NURAY, KARABACAK ONUR. COMPARISON OF THE EFFECTIVENESS OF CLOMIPHENE CITRATE VERSUS LETROZOLE IN MILD IVF IN POOR PROGNOSIS SUBFERTILE WOMEN WITH FAILED IVF CYCLES. INTERNATIONAL JOURNAL OF FERTILITY AND STERILITY[Internet]. 2015;9(3):285-291. Available from: https://sid.ir/paper/305823/en

IEEE: Copy

MESUT OKTEM, ISMAIL GULER, MEHMET ERDEM, NURAY BOZKURT, and ONUR KARABACAK, “COMPARISON OF THE EFFECTIVENESS OF CLOMIPHENE CITRATE VERSUS LETROZOLE IN MILD IVF IN POOR PROGNOSIS SUBFERTILE WOMEN WITH FAILED IVF CYCLES,” INTERNATIONAL JOURNAL OF FERTILITY AND STERILITY, vol. 9, no. 3, pp. 285–291, 2015, [Online]. Available: https://sid.ir/paper/305823/en

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