Infertility is a worldwide problem and about 10%-15% of all couples will be affected by the inability to have children. In approximately 50% of infertile couples a male factor is involved. Male infertility is of multifactorial origin. In the past decade, the role of oxidative stress on sperm has been researched thoroughly and found to be the problem in 30% to 80% of male infertility cases. Impryl® is a nutritional supplement mainly consisting of vitamin B, which works on the metabolic system by activating the one carbon cycle and recycling of homocysteine without the use of any direct strong antioxidants. In this study the investigators want to determine the effectiveness of nutritional supplement Impryl® in men of infertile couples on ongoing pregnancy rate, with or without assisted reproduction technology (ART).
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Ongoing pregnancy rate
Timeframe: 15 months