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Abstract

OBJECTIVE: To study the effect of metformin in combination with clomiphene citrate, as compared with placebo plus clomiphene citrate, on the ovulation and pregnancy rates in clomiphene citrate-resistant women with polycystic ovary syndrome. METHODS: This study was carried out at King Hussein Medical Center, Amman, Jordan, during the period January 2001 through to July 2001. Twenty-eight clomiphene citrate-resistant polycystic ovary syndrome women were evaluated prospectively for 6 treatment cycles by receiving metformin, 850mg twice daily throughout the cycle along with 50 mg clomiphene citrate, starting on day 5-9 of the same cycle (N=16), or by taking placebo with clomiphene citrate (N=12). During cycles 2-6, clomiphene citrate was added with increments of 50mg (up to 200 mg/day) for both groups. Progesterone level on day 21 and 28 >5ng/dl was indicative of ovulation. RESULTS: A statistically significant increase in the rates of ovulation (68.6% versus 25%, p<0.05) and pregnancy (56.3% versus 16.6%, p<0.05) were observed in the metformin-clomiphene citrate group as compared with the placebo-clomiphene citrate controls. Insignificant increase in the rate of ovarian hyperstimulation was noted in the placebo-clomiphene citrate group. CONCLUSION: Metformin-clomiphene citrate regimen in resistant-clomiphene citrate polycystic ovary syndrome women significantly increases the ovulation and pregnancy rates, and decreases the occurrence of ovarian hyperstimulation syndrome.

Article Type

Research Article

First Page

663

Last Page

666

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