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The male infertility crisis is an increase in male infertility since the mid-1970s. [91] The issue attracted media attention after a 2017 meta-analysis found that sperm counts in Western countries had declined by 52.4 percent between 1973 and 2011.
The main cause of male infertility is low semen quality. In men who have the necessary reproductive organs to procreate, infertility can be caused by low sperm count due to endocrine problems, drugs, radiation, or infection. There may be testicular malformations, hormone imbalance, or blockage of the man's duct system.
Following, male factor infertility is frequently associated with high levels of social stigma; for example, in a study exploring the views of fertile individuals towards infertile men and women, Miall (1994) [8] found that male infertility was frequently seen as arising from sexual dysfunction and was thus associated with higher levels of ...
"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.
Men are fertile continuously, but their sperm quality is affected by their health, frequency of ejaculation, and environmental factors. [25] Fertility declines with age in both sexes. For women, the decline begins around the age of 32, and becomes precipitous at age 37. For men, potency and sperm quality begins to decline around the age of 40.
Azoospermia is the medical condition of a man whose semen contains no sperm. [1] It is associated with male infertility, but many forms are amenable to medical treatment.In humans, azoospermia affects about 1% of the male population [2] and may be seen in up to 20% of male infertility situations in Canada.