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Clinical and Experimental Obstetrics & Gynecology  2019, Vol. 46 Issue (4): 549-552    DOI: 10.12891/ceog4567.2019
Original Research Previous articles | Next articles
Myoinositol supplementation on intracytoplasmic sperm injection outcome in Japanese infertile polycystic ovarian syndrome women with non-obese less-androgenic phenotype: a prospective controlled observational study
K. Kitaya1, *(), Y. Takaya1, R. Nishiyama1, K. Yamaguchi1, H. Matsubayashi1, T. Takeuchi1, S. Mizuta1, T. Ishikawa1
1Reproduction Clinic Osaka, Osaka, Japan.
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Abstract  

Purpose of Investigation: The objective of this prospective controlled observational study was to evaluate the effect of myoinositol supplementation on intracytoplasmic sperm injection (ICSI) outcome in Japanese infertile polycystic ovarian syndrome (PCOS) women with non-obese less-androgenic phenotype, which is common in East Asia. Materials and Methods: The ICSI outcome in the first treatment cycle under a flexible gonadotropin-releasing hormone antagonist protocol was compared between 25 PCOS women taking 4 g/day myoinositol + 400 μg/day folic acid (Myo/FA group) and 25 PCOS women taking 400 μg/day FA alone (FA Group). Results: The total dosage of human menopausal gonadtropin was significantly lower in the Myo/FA group than in the FA group (p = 0.034). The number (p = 0.000029) and rate (relative risk 1.47, 95% confidence interval 1.43-1.50, p < 0.0001) of metaphase II oocytes and the number of fertilized oocytes (p = 0.0074) was significantly higher in the Myo/FA group than in the FA group. Conclusion: Myoinositol supplementation is a safe and effective treatment modality to increase the mature and fertilized oocytes, along with a reduction in the gonadotropin dose in ICSI cycles in Japanese infertile PCOS women with non-obese less-androgenic phenotype.

Key words:  Infertility      Metaphase II oocyte      Fertilization      Myoinositol supplementation      Polycystic ovarian syndrome     
Published:  10 August 2019     
*Corresponding Author(s):  K. KITAYA     E-mail:  kitaya@koto.kpu-m.ac.jp

Cite this article: 

K. Kitaya, Y. Takaya, R. Nishiyama, K. Yamaguchi, H. Matsubayashi, T. Takeuchi, S. Mizuta, T. Ishikawa. Myoinositol supplementation on intracytoplasmic sperm injection outcome in Japanese infertile polycystic ovarian syndrome women with non-obese less-androgenic phenotype: a prospective controlled observational study. Clinical and Experimental Obstetrics & Gynecology, 2019, 46(4): 549-552.

URL: 

https://ceog.imrpress.com/EN/10.12891/ceog4567.2019     OR     https://ceog.imrpress.com/EN/Y2019/V46/I4/549

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