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What percentage of infertility is attributable to the male?

Infertility is defined as a couple being unable to become pregnant after 1 year of regular intercourse without contraception. Infertility is a very complex problem and can be due to many different causes affecting either the male or female. One study by the World Health Organization (WHO) found that infertility was due to female causes 37% of the time, male causes 8% of the time, and both 35% of the time. The initial evaluation for a male who is concerned about infertility commonly includes semen analysis to evaluate the number of sperm and, oftentimes, their quality.

Erika Tabke, MSN
Nursing Specialist

Infertility is equally attributable to both the male and female partners. According to the American Society for Reproductive Medicine, about 40% of infertility cases are due to male factors, about 40% are due to female factors, and the remaining 20% are either a combination of both partners' factors or are unknown/unexplained.

Infertility is neither partners' "fault"—it is simply a medical issue that couples must face together. It is estimated that 12% of the population or one in eight couples of reproductive age are affected by infertility.

About 40 percent of infertility is attributable to the male.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.