Definition - What does Hypospermia mean?

Hypospermia is an abnormally low amount of ejaculate, or semen, expelled per ejaculation. 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 to fertility.

Hypospermia may also be called a low semen production.

FertilitySmarts explains Hypospermia

During an average ejaculation, a man expels 2-6 ml of ejaculate fluid. However, men with hypospermia expel less then 1.5 ml.

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 substancial 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
  • Anaejaculation, total lack of ejaculation
  • Ejaculatory duct obstruction (EDO)
  • Congenital defect, such as lack of vas deferens or seminal vesicles
  • Blockage of seminal vesicles
  • Hormonal imbalance, causing hypogondaism, 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.

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