Psychogenic causes Patients with psychogenic anorgasmia may also present with complaints of low-volume or absent ejaculate. That's just right for producing healthy sperm. In this article, we review the anatomy and physiology of ejaculation, the various etiologies of low-volume ejaculation artifactual, structural, functional. The purpose of this review is to describe the physiology and pathophysiology of conditions leading to low volume ejaculate, to develop a rational approach to the evaluation of these patients and to briefly describe treatment options based on diagnostic category. Several conditions can cause problems with the muscle that closes the bladder during ejaculation. Current concepts in ejaculatory dysfunction. Advanced age, infections, and injuries and surgery to the spinal cord or groin may affect the nerves involved in ejaculation.
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Steps in the investigation and management of low semen volume in the infertile man
Functional changes causing retrograde ejaculation are often due to abnormalities in normal bladder neck closure during ejaculation, which depends on normal functioning of the nerves and neuro-receptors to and within the bladder neck. But there's one exception: Sofikitis NV, Miyagawa I. Induction of fertility in a man with hypogonadotropic hypogonadism with very low seminal volume. A finding of absent ejaculate must prompt questioning regarding spinal or neurologic disease, and previous prostate surgery. Assessment of other parameters on the semen analysis can also be helpful in identifying potential underlying causes.