In a nutshell This review looked at whether phosphodiesterase 5 (PDE5) inhibitors such as sildenafil (Viagra) can improve male fertility. It found that these medications improve sperm concentration, shape, and movement. Some background PDE5 inhibitors are the most common treatment for erectile dysfunction (ED). These medications increase the...
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In a nutshell This review looked at whether probiotics can improve fertility. It found that probiotics improve sperm quality, and it is not clear whether probiotics improve pregnancy rates following in vitro fertilization (IVF). Some background For every human cell in a person’s body, there are 10 microbial cells living on the skin, in the gut,...
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In a nutshell This study looked at whether an antioxidant multi-nutrient supplement can improve male infertility. It found that the supplement improved sperm quality and pregnancy rates in couples with male infertility. Some background Male infertility is a factor in half of the infertility cases. For over 40% of men with infertility, there is no...
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In a nutshell This trial looked at whether antioxidant supplements improve male infertility. It found that antioxidants did not improve semen parameters, natural conception, or birth rates. Some background Male infertility is the sole cause of 20-30% of infertility cases and contributes to half of the cases. Male infertility may be caused by sperm...
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In a nutshell This study investigated if follicle-stimulating hormone (FSH) supplementation improves sperm parameters in male infertility (MI). They found that FSH improved sperm parameters in these patients. Some background Male infertility (MI) is a common cause of infertility. In many cases, the cause of MI cannot be explained. MI...
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In a nutshell This study examined if sperm quality was associated with lifestyle characteristics influenced by men’s obese partners in couples experiencing infertility. The authors found that lifestyle was influenced by men’s partners and this altered some measurements of sperm quality. Some background Infertility affects many...
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In a nutshell This study investigated if coenzyme Q10 (CoQ10) improves semen parameters in men with oligoasthenoteratozoospermia (OAT). They found that CoQ10 improved semen parameters in these men. Some background Male infertility can manifest as a number of symptoms. Men may have low hormone levels. They may produce a low number of sperm. The...
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In a nutshell This study examined the relationship between dietary fatty acids consumed by males and asthenozoospermia. Some background Both healthy and unhealthy types of fat can be found in food. Omega-3 poly unsaturated fatty acids (PUFA’s), for instance, include docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA)....
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