In a nutshell This study evaluated the effect of varicocele repair (VR) on sperm parameters in infertile men with clinical varicocele. The data showed that VR significantly increased the total sperm count, sperm motility (movement), morphology (shape), and concentration in these men. Some background Male infertility can be caused by a number of...
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In a nutshell This study evaluated the effects of different antioxidants on sperm quality and the pregnancy rate of male infertility without a clear cause. The data showed that L-Carnitine had the highest probability of being the most effective antioxidant to increase sperm motility (movement) and sperm shape. ω-3 fatty acid had the highest...
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In a nutshell This study looked at how freezing affected sperm collected surgically from the testes. It found that frozen sperm and fresh sperm led to similar pregnancy rates from intracytoplasmic sperm injection (ICSI), but that there were more miscarriages when using frozen sperm. Some background Nonobstructive azoospermia (NOA) is a condition...
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In a nutshell This study looked at how varicocele repair surgery affects the microscopic shape of sperm. It found that surgery improved sperm shape, movement, and concentration for men with infertility. Some background Varicoceles (VCs) can be a factor in male infertility. VCs are enlarged veins of the scrotum. These enlarged veins heat the testes,...
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In a nutshell These guidelines reviewed current best practices in treating male infertility. Some background Male infertility affects half of all couples with infertility. Low sperm count or quality are the most common signs of male infertility. Medical organizations offer guidelines on how to treat male infertility. Methods &...
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In a nutshell These guidelines reviewed appropriate testing for men in couples with infertility. Some background Male infertility contributes to half of all cases of infertility. Identifying the cause of infertility is the first step towards managing it. There is ongoing research on the best methods of diagnosing infertility in men. Professional...
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In a nutshell This study investigated overall male health in men with infertility. They found that infertile men were more likely to have poorer overall health. Some background Infertility is a common condition. Male infertility (MI) is a cause in 30-50% of cases. The cause of MI is not always clear. Some medical conditions are associated...
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In a nutshell This study examined if docosahexaenoic acid (DHA) and vitamin E supplements improved sperm quality in men experiencing infertility. The results showed that when the two supplements were taken together, sperm movement and the numbers of sperm improved significantly. Some background Sperm quality is a common problem in men...
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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 review looked at whether ginseng improves sperm quality. It found that ginseng may improve sperm quality. Some background Infertility affects over 10% of couples, and half of infertility cases involve male infertility. Male infertility can occur when sperm quality is low. There may be few sperm, the sperm may move...
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In a nutshell This study looked at the effect of three months of coenzyme Q10 (CoQ10) on men with infertility. It found that CoQ10 supplements improved sperm parameters, oxidation levels, and amount of DNA damage. Some background Male infertility contributes to 50% of infertility cases. One cause of male infertility is reactive oxygen species (ROS)....
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In a nutshell This study looked at the effect of vitamins and traditional Chinese medicine (TCM) on male infertility. It found that vitamins plus TCM improved sperm quality and pregnancy rates more than vitamins alone. Some background Worldwide, male infertility is involved in half of the infertility cases. Sperm are vulnerable to oxidation, which...
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