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Hypospermia

Last Updated: March 6, 2020

Definition - What does Hypospermia mean?

Hypospermia is an abnormally low amount of ejaculate, or semen, expelled per ejaculation. The typical volume of semen per ejaculation is between 1.5 and 5 ml of ejaculate fluid. According to the World Health Organization (WHO) men with hypospermia expel less than 1.5 ml.

In order to conceive, sperm relies on a standard amount of semen to aid in vacating the male body and entering the female body. As a result, this condition can be problematic for fertility.

Hypospermia may also be called a low semen production.

FertilitySmarts explains Hypospermia

Once it has been produced in the testes, sperm must travel through a series of male reproductive organs before being expelled from the penis. Ejaculate is composed of a variety of fluids gathered throughout the route.

The most substantial fluid is seminal fluid, contributed by the seminal glands, and comprising over 80% of ejaculate fluid. The remaining fluid is provided by the epididymis, prostate, and other glands.

Hypospermia can be caused by:

  • Retrograde ejaculation, when the semen empties into the bladder as opposed to being expelled through the urethra and out the penis. One study suggests this account for around 40.5% of patients with hypospermia.
  • Anejaculation, total lack of ejaculation
  • Ejaculatory duct obstruction (EDO)
  • Congenital defects, such as lack of vas deferens or seminal vesicles
  • Blockage of seminal vesicles
  • Hormonal imbalance, causing hypogonadism, or abnormally low testosterone levels
  • Excessive ejaculation, caused by overly frequent sexual activity or intercourse

Treatment of hypospermia is based on the specific cause and may involve medication changes, reparative surgery, or lifestyle changes.

FertilitySmarts uses high-quality sources to support the facts within our content including peer-reviewed studies, academic research institutions, medical organizations, and governmental organizations. Learn more about how we ensure content is accurate by reading our .
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