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KMID : 1033620160430040240
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Clinical and Experimental Reproductive Medicine
2016 Volume.43 No. 4 p.240 ~ p.246
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The efficacy of intrauterine instillation of granulocyte colony-stimulating factor in infertile women with a thin endometrium: A pilot study
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Lee Da-Yong
Jo Jae-Dong
Kim Seul-Ki
Jee Byung-Chul
Kim Seok-Hyun
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Abstract
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Objective: The study aimed to investigate the efficacy of intrauterine instillation of granulocyte colony-stimulating factor (G-CSF) on the day of ovulation triggering or oocyte retrieval in infertile women with a thin endometrium.
Methods: Fifty women whose endometrial thickness (EMT) was ≤8 mm at the time of triggering during at least one previous in vitro fertilization (IVF) cycle and an index IVF cycle were selected. On the day of triggering (n=12) or oocyte retrieval (n=38), 300 μg of G-CSF was instilled into the uterine cavity.
Results: In the 50 index IVF cycles, the mean EMT was 7.2±0.6 mm on the triggering day and increased to 8.5±1.5 mm on the embryo transfer day (p<0.001). The overall clinical pregnancy rate was 22.0%, the implantation rate was 15.9%, and the ongoing pregnancy rate was 20%. The clinical pregnancy rate (41.7% vs. 15.8%), the implantation rate (26.7% vs. 11.7%), and the ongoing pregnancy rate (41.7% vs. 13.2%) were higher when G-CSF was instilled on the triggering day than when it was instilled on the retrieval day, although this tendency was likewise not statistically significant. Aspects of the stimulation process and mean changes in EMT were similar in women who became pregnant and women who did not.
Conclusion: Intrauterine instillation of G-CSF enhanced endometrial development and resulted in an acceptable pregnancy rate. Instillation of G-CSF on the triggering day showed better outcomes. G-CSF instillation should be considered as a strategy for inducing endometrial growth and good pregnancy results in infertile women with a thin endometrium.
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KEYWORD
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Endometrium, Granulocyte colony-stimulating factor, In vitro fertilization
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