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The sperm’s DNA quality is another important aspect of sperm health that can’t be measured by a standard semen analysis, but can be determined through other testing.
Semen quality is a measure of male fertility, a measure of the ability of sperm in semen to accomplish fertilization. Semen quality involves both sperm quantity and quality. Semen quality is a major factor in fertility. Cryptorchidism, hypospadias, testicular cancer and poor semen quality make up the syndrome known as testicular dysgenesis ...
For men who are concerned about their sperm quality or concentration, knowing that these factors all play into fertility might be a lot more helpful than just blindly trying to avoid cell phone ...
The condition and its effects on both men and women is the topic for example of the novel set in Nigeria entitled, The Secret Lives of Baba Segin's Wives. A lot of research has pointed to the relationship between infertility and emasculation. [83] [84] [85] This association has led to infertility being less studied and diagnosed in men over ...
A 2001 review on variation in semen quality and fertility by male age concluded that older men had lower semen volume, lower sperm motility, a decreased percent of normal sperm, as well as decreased pregnancy rates, increased time to pregnancy, and increased infertility at a given point in time. [55]
Men, too, often avoid doctors' visits, missing opportunities to proactively identify issues. Treatments for male infertility include semen analysis, lifestyle changes, and sperm-freezing.
In studies that controlled for female age, comparisons between men under 30 and men over 50 found relative decreases in pregnancy rates between 23% and 38%. [4] Older men have lower semen parameters resulting in lower fertility potential. The effects of aging on semen quality are summarized below based on a study of 1,219 subjects: [5]
A 1992 World Health Organization report described normal human semen as having a volume of 2 mL or greater, pH of 7.2 to 8.0, sperm concentration of 20×10 6 spermatozoa/mL or more, sperm count of 40×10 6 spermatozoa per ejaculate or more, and motility of 50% or more with forward progression (categories a and b) of 25% or more with rapid ...