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DE-T1 on the Blastocyst obtained Rate and Live Births Rates in Women Receiving IVF-ET Treatment

Author(s): Hui Shao, Yoji Yamaguchi, Toshiaki Nozaki, Li Bai, Xi Dong, Dongzi Yang, Shuang Jiao, Junko Otsuki, Shoji Kokeguchi, Masahide Shiotani

Background: Our objective was to retrospectively analyze the influence of DE-T1, a type of amino-polysaccharide extracted from dandelions, on the rates of blastocysts obtained and live births in women undergoing IVF-ET treatment.

Methods: This was a retrospective cohort study, conducting a total of 1014 patients over the age of 30, who received IVF treatment at Hanabusa Women’s clinic from Aug. 1, 2012 to Feb. 29, 2020. The patients were divided into two groups, based on their own choice regarding DE-T1 supplementation, which is available as over the counter medicine at the Clinic. The two groups’ overall rates of blastocysts obtained were compared and the rates of blastocysts obtained in patients with different ages and Anti-Mullerian hormone (AMH) levels were also compared using an Intention-to-treat (ITT) analysis. Among the patients who completed embryo transfers (ET), the live birth rate was compared between the supplementation group and the non-supplementation group using a Chi-squared test.

Results: The blastocyst obtained rate in the supplementation group was 75.98%, which was significantly higher than that of 57.28% in the non-supplementation group (P=2.4×10-9). The blastocyst obtained rate across the range of ages in the supplementation group were significantly higher than those of the non-supplementation group (≥30 and <35 years of age: 90.97% vs 74.32%, P=0.001;≥35 and <40 years of age: 82.40% vs 69.79%, P= 0.010; ≥40 and <43 years of age: 72.90% vs 52.11%, P=0.002; ≥43 years of age: 53.29% vs 22.95%, P= 5.7×10-5). The blastocyst obtained rate for both AMH levels in the supplementation group were significantly higher than those of the non-supplementation group (AMH≤1.1: 56.47% vs 40.44%, P=0.002; AMH> 1.1: 88.48% vs 71.08%, P=2.52×10-7). The live birth rate of the supplementation group was significantly higher than that of th

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