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Middle East Fertility Society Journal
Middle East Fertility Society
ISSN: 1110-5690
Vol. 9, No. 2, 2004, pp. 157-162
Bioline Code: mf04027
Full paper language: English
Document type: Research Article
Document available free of charge

Middle East Fertility Society Journal, Vol. 9, No. 2, 2004, pp. 157-162

 en Letrozole induction of ovulation in clomiphene citrate resistant polycystic ovary syndrome: responders and non-responders
Aboubakr Elnashar,Hany Fouad, Magdy Eldosoky,Naser Abelgafar

Abstract

Objective: To evaluate the efficacy of Letrozole in induction of ovulation in cases of CC-resistant PCOS and to compare between Letrozole responders and non-responders.
Design: Prospective trial in infertility patients treated with CC
Setting: BenhaUniversityHospitalClinic, Egypt.
Patient(s): Forty-four infertile women with anovulatory PCOS who failed to ovulate with CC.
Intervention(s): Letrozole was given in a dose of 2.5 mg/day from day 3 to day 7 of the menstrual cycle. When the dominant follicle reached a diameter ≥ 18 mm, HCG 10.000 U was given and timed intercourse was advised.
Main outcome measure(s): Occurrence of ovulation, endomertial thickness, cervical score & pregnancy rate
Results: On the day of HCG administration, the mean number of follicles = 18mm was 1.21, the mean endometrial thickness was 10.2 mm and cervical mucus score was 11.42. Ovulation occurred in 24 cases (54.6%) and pregnancy in 6 cases (25%). There was no significant difference between Letrozole responders and non-responders as regards the age, period of infertility, BMI, waist circumference, LH, FS H or LH/FSH ratio.
Conclusion(s): Induction of ovulation with Letrozole in CC-resistant PCOS is not dependent on age, period of infertility, BMI, waist circumference, menstrual pattern, hirsutism, LH, FSH or LH/FSH ratio. Further studies are necessary to confirm these results.

Keywords
Letrozole, clomiphene citrate, PCOS, ovulation, infertility

 
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Alternative site location: http://www.mefsjournal.org

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