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Y chromosomal infertility is a direct cause of male infertility due to its effects on sperm production, occurring in approximately one in 2000 males. [22] Usually, affected men show no symptoms, although they may have smaller testes.
The most common cause of female infertility are ovulation problems, usually manifested by scanty or absent menstrual periods. [7] Male infertility is most commonly due to deficiencies in the semen, and semen quality is used as a surrogate measure of male fecundity. [6]
Within this context, male infertility plays a significant role, contributing to around 40% of cases of infertility. ... Depending on the underlying cause of infertility, medications can play a ...
Ejaculatory duct obstruction is the underlying cause for 1–5% of male infertility. [8] Since ejaculatory duct obstruction is a relatively rare cause of infertility, this possibility may be unfamiliar to some physicians, even some urologists.
"The most common thing that causes infertility in men is a condition that's called varicose veins in the scrotum," Goldstein says. That was the issue for Joshua Kaiser of Texas. After getting ...
About 10–15% of human couples are infertile, unable to conceive.In approximately in half of these cases, the underlying cause is related to the male. The underlying causative factors in the male infertility can be attributed to environmental toxins, systemic disorders such as, hypothalamic–pituitary disease, testicular cancers and germ-cell aplasia.
Right-sided and bilateral varicocele does also occur. Men with varicocele can feel symptoms of pain or heaviness in their scrotum. [5] Large varicoceles present as plexus of veins and may be described as a "bag of worms". [6] [7] Varicocele is sometimes discovered when investigating the cause of male infertility. [8] [9]
In the U.S., approximately 12.7% of reproductive age women seek infertility treatment every year. But that statistic excludes men with infertility issues, which is just one of many reasons actual ...