How to identify whether you have necrozoospermia symptoms Necrozoospermia is a common disease in men, also called oligozoospermia or azoospermia. Its main symptom is a small amount of semen or even no semen, resulting in inability to have normal fertility. For men suffering from dead sperm symptoms, early identification and treatment is important. The following explains in detail how to identify whether you have dead sperm symptoms from four aspects. Observe the ejaculation time and ejaculation volume. Under normal circumstances, a man’s ejaculation time is generally between 2-5 minutes, and the ejaculation volume will also change with time. If you find that your ejaculation time is too short during sex or