What proportion of infertility does male infertility account for?

Patient's question:

I have been married to my husband for many years. A few years ago, because of work, we didn't have children. In recent years, as we've gotten older, our family has been urging us to have children. However, we've tried very hard for a long time and still haven't conceived. When we went to the hospital for a check-up, the doctor said it was male infertility.

Doctor's answer:

Hello, friend. Regarding the situation you described, currently, about 30% to 40% of infertile couples among the 10% of the reproductive population are men, and this number is increasing by 5% annually. Among these, male infertility caused by abnormal semen accounts for approximately 70% to 80%. Therefore, infertility and the inability to have children are not solely the responsibility of women; men also account for a significant proportion. Abnormal semen infertility includes six types of conditions: azoospermia (no sperm), oligozoospermia (few sperm), asthenozoospermia (low sperm motility), aspermia (semen that does not liquefy), teratozoospermia (abnormal sperm), and oligoasthenoteratozoospermia (a combination of these). For azoospermia, a testicular biopsy is necessary to confirm whether there is any sperm production function.

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