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Int J Clin Exp Med. 2015 Apr 15;8(4):4954-67. eCollection 2015.

Efficacy of growth hormone supplementation with gonadotrophins in vitro fertilization for poor ovarian responders: an updated meta-analysis.

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Departement of Reproductive Medicine Center, Yijishan Hospital of Wannan Medical College Wuhu 241001, Anhui, China.
School of Public Health, Wannan Medical College Wuhu 241002, Anhui, China.
Institute of Reproductive Medicine, Yijishan Hospital of Wannan Medical College Wuhu 241001, Anhui, China.


Growth hormone (GH) is involved in the regulation of male and female infertility. Several clinical studies reveal that adjuvant GH treatment has a possible role in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI), especially in poor ovarian responders (POR) undergoing IVF/ICSI. Recent studies suggest that GH addition in POR patients significantly improves the rate of clinical pregnancy and live birth. Databases including PubMed, Embase, the Cochrane Central China National Knowledge Infrastructure (CNKI) and Google Scholar were searched for randomized controlled trials (RCTs) or controlled clinical trials (CCTs) on the effectiveness of GH supplementation with gonadotrophins in IVF/ICSI for POR. Two reviewers independently screened literature according to the inclusion and exclusion criteria, extracted data, and assessed methodological quality. Meta Analyst Beta 3.13 software was used to meta-analysis. Eleven studies (six RCTs and five CCTs) and 3788 subjects (613 subjects in cases group and 3175 subjects in controls group) were included in our study. The results of meta-analysis showed that GH addition significantly increased serum E2 level on the day of HCG (OR = 0.55; 95% CI = 0.127-0.973) and MII oocyte number (OR = 0.827; 95% CI = 0.470-1.184). Furthermore, GH addition significantly improved the number of 2PN (OR = 0.934; 95% CI = 0.206-1.661) and obtained embryos (OR = 0.934; 95% CI = 0.206-1.661). However, no significant difference was found for the overall implantation rate was 8.8% (95% CI = -0.062-0.237) and clinical pregnancy rate was 5.1% (95% CI = -0.033-0.134). The present result revel that GH supplementation for IVF/ICSI in POR increases the probability of serum E2 level on the day of HCG, the number of MII oocyte, 2PN and obtained embryos. However, GH addition does not increase implantation rate and clinical pregnancy rates. Due to the limited quantity and quality of the included studies as well as the difference in methodology, we suggest this above could be taken as a reference for clinical analysis which needs to be further evaluated in its effects.


Growth hormone; gonadotrophin releasing hormone; gonadotrophins; in vitro fertilization; intracytoplasmic sperm injection; poor ovarian response


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