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  • Title: The adjuvant effect of metformin and N-acetylcysteine to clomiphene citrate in induction of ovulation in patients with Polycystic Ovary Syndrome.
    Author: Maged AM, Elsawah H, Abdelhafez A, Bakry A, Mostafa WA.
    Journal: Gynecol Endocrinol; 2015; 31(8):635-8. PubMed ID: 26291797.
    Abstract:
    OBJECTIVES: To assess the adjuvant effect of metformin and N-acetylcysteine (NAC) to clomiphene citrate (CC) in induction of ovulation in Polycystic Ovary Syndrome (PCOS) patients. STUDY DESIGN: 120 women with PCOS were randomly divided into three equal groups: group I received CC only, group II received CC plus NAC and group III received CC plus metformin. RESULTS: There was a significant difference between group II and other two groups regarding average number of ovulatory follicles >18 mm (2.25 versus 1.75 and 1.89, respectively), but no significant difference between the three study groups regarding number of intermediate follicles 14-18 mm (4, 10 and 4, respectively). There was no significant difference between the three study groups regarding occurrence and laterality of ovulation, pregnancy rate per cycle but a significant difference between group II and other two groups regarding pregnancy rate per patient (20% versus 10% and 10%, respectively, p value 0.05). There was a highly statistically significant difference between group II and other two groups regarding peak endometrial thickness (7.3 ± 1.1 versus 5.4 ± 0.6 and 5.3 ± 0.6, respectively). CONCLUSIONS: NAC as an adjuvant to CC for induction of ovulation improves ovulation and pregnancy rates in PCOS patients with beneficial impacts on endometrial thickness.
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