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. 2022 Jun 16;23(12):6731. doi: 10.3390/ijms23126731

Figure 1.

Figure 1

Association between previous fertilization rate and the effect of melatonin. Effect of melatonin on the fertilization rate. The fertilization rates in the cycles before and under melatonin treatment are shown in the violin plot. Left graph: Effect of melatonin in total 75 cases. Middle graph: Effect of melatonin in 19 cases whose fertilization rate before melatonin treatment was less than 50% (Poor fertilization rate cases). Right graph: Effect of melatonin in 56 cases whose fertilization rate before melatonin treatment was more than 50% (Good fertilization rate cases). * p < 0.01 vs. before melatonin.