Low testosterone or low T is defined as a testosterone level below 300 nanograms per deciliter. A normal range for total testosterone is between approximately 300 and 1,000 nanograms per deciliter. A low testosterone diagnosis is generally made when patients fall below the normal range. A blood test is required to get an accurate measure of a man’s testosterone level. Low testosterone may cause a decrease in sperm count and infertility.

Common symptoms of low T include low sex drive and the inability to achieve or maintain an erection. Other symptoms can include low energy, increased irritability, decrease in body hair, and decline in muscle mass.

AFMC can help determine the optimal course of treatment if the cause of male factor infertility is related to low T.

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