azoospermia

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azoospermia

 [a″zo-o-sper´me-ah]
lack of live spermatozoa in the semen; see also aspermatogenesis.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

a·zo·o·sper·mi·a

(ā'zō-ō-sper'mē-ă),
Absence of living spermatozoa in the semen; failure of spermatogenesis.
See also: aspermia.
[G. a- priv. + zōon, animal, + sperma, seed]
Farlex Partner Medical Dictionary © Farlex 2012

azoospermia

Complete absence of sperm in the semen, with resultant infertility.

Azoospermia
• Pretesticular—due to absence of FSH secondary to hypopituitarism, hyperprolactinemia and FSH suppression by exogenous androgens.
• Testicular—The most common cause, in which the testes are atrophic, typically due to cryptorchidism or Sertoli cell-only syndrome, but also orchiditis, cancer, surgery, trauma or radiation.
• Post-testicular—due to vasectomy, agenesis of vas deferens or ejaculatory dysfunction.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

azoospermia

Urology Complete absence of sperm in the semen, with resultant infertility. See Oligospermia.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

a·zo·o·sper·mi·a

(ā'zō-ō-spĕr'mē-ă)
Absence of living sperms in the semen; failure of spermatogenesis.
[G. a- priv. + zōon, animal, + sperma, seed]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

azoospermia

Absence of spermatozoa from the seminal fluid, a cause of male sterility. Sperms may still be being produced in the testes.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
References in periodicals archive ?
"Our study clearly shows that low sperm count by itself is associated with metabolic alterations, cardiovascular risk, and low bone mass," Ferlin said in a statement.
These substances damages the sperm and causes low sperm count. Consult a medical doctor if you are suffering from addiction to any of these substances.
"I wasn't worried about having a low sperm count for any macho reasons, all I wanted to do was give Beth a family and I felt responsible that it wasn't going to be easy or even possible." In October 2007, after both sets of parents agreed to cover the costs of private treatment, Thomas and Beth started their first cycle of ICSI, which is a form of IVF treatment.
While it can make conception difficult Dr Lewis-Jones em phasises that having a low sperm count does not automatically rule out the chances of having a natural pregnancy.
The risk of pregnancy is probably higher among women whose partners take longer to reach a low sperm count. The FHI/EngenderHealth study did not examine pregnancy rates.
Q I HAVE a low sperm count. Does it mean I'm infertile?
A 31-year-old woman gave birth to a baby girl last weekend using a tiny amount of spermatozoa taken from her husband, who suffers from a male chromosomal disorder that usually results in sterility or extremely low sperm count, thus preventing fertilization, a gynecologist said Thursday.
The piece's opening illustration is a man with a low sperm count who can't impregnate his wife.
Medical treatments for low sperm count or problems with sperm quality range from relatively simple techniques of concentrating sperm for insemination to technically sophisticated ways of sorting sperm for the healthiest among them.
Obesity is definitely linked to low sperm count and reduced sperm motility which can be a cause of infertility.
Then, S.A., who had been sending his wife to the fertility clinic with his mother, was asked by the fertility expert to undergo tests which established that it was he who had a low sperm count. He was put him on a discreet treatment protocol and in the second year of treatment, the couple were blessed with twins.
Winston says IVF is appropriate when fallopian tubes are so badly damaged that tubal surgery has failed or can't be done, if a women isn't ovulating, or if a man has a low sperm count, but the sperm can potentially fertilise an egg.