Repository of Research and Investigative Information

Repository of Research and Investigative Information

Hormozgan University of Medical Sciences

The effectiveness of inositol and metformin on infertile polycystic ovary syndrome women with resistant to letrozole.

(2019) The effectiveness of inositol and metformin on infertile polycystic ovary syndrome women with resistant to letrozole. Arch Gynecol Obstet.

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Official URL: https://www.ncbi.nlm.nih.gov/pubmed/30847561

Abstract

PURPOSE: The purpose is a comparison of effectiveness of myo-inositol and metformin in infertile women with polycystic ovary syndrome (PCOS) treated with letrozole. METHODS: This study is a randomized single-blind controlled clinical trial undertaken in 150 infertile PCOS women. For all patients, letrozole is prescribed at a dose of 7.5 mg per day from the third day of menstruation for 5 days. Patients who did not ovulate were included and divided into three pretreatment groups: group I(control group), 200 µg of folic acid (as a placebo); group II, 1500 mg of metformin daily plus 200 µg of folic acid, and group III, inositol 2 g plus 200 µg of folic acid received twice daily for 3 months. In the last cycle, 7.5 mg letrozole was prescribed for the induction of ovulation. Primary outcomes were ovary function and pregnancy. RESULTS: The ovarian function was not significantly different in those groups, whereas the ovarian function of inositol + folic acid group in normal BMI found significantly higher than other BMI spectra. In addition, the ovarian function is significantly higher in the inositol + folic acid group by increasing the infertility duration. The incidence of pregnancy is lower in letrozole + folic acid + inositol group than the other groups; however, it is not significant. CONCLUSION: The addition of inositol and metformin to the treatment of infertile PCOS women with letrozole resistance improves the ovarian function; however, it is not significant. Of note, inositol was more effective than metformin in patients with normal BMI.

Item Type: Article
Keywords: Infertility; Inositol; Metformin; PCOS; letrozole
Subjects: WP Gynecology and Obstetrics > WP 565-570 Fertility. Infertility
Divisions: Research Vice-Chancellor Department > Fertility and Infertility Research Center
Depositing User: هدی فهیم پور
URI: http://eprints.hums.ac.ir/id/eprint/6331

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