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Male Infertility - Non-obstructive Azoospermia and TESE Azoospermia may be due to either abnormal sperm production (non-obstructive azoospermia) or normal sperm production in the presence of obstruction (obstructive azoospermia). For all patients with azoospermia, a complete history and physical examination is necessary to identify potentially correctable causes of male factor infertility. Testicular sperm extraction with ICSI for non-obstructive azoospermia. www.cornellurology.com /uro/cornell/infertility/srt/azoospermia.shtml   (2052 words)

Welcome to Arizona Associates for Reproductive Health Obstructive azoospermia is the complete lack of sperm in the ejaculate due to a blockage in the male reproductive tract or the absence of the part of the reproductive tract that carries sperm from the testicle to outside the body. Men with obstructive azoospermia almost always have some sperm in their testicles, but these sperm are not found in the semen because of the blockage or absence of part of the reproductive tract. Because only one-half of the patients with nonobstructive azoospermia have sperm identified at the time of TESE, it is recommended that these men undergo a diagnostic TESE procedure prior to the procedure to stimulate the female partner to produce eggs for IVF. www.azarh.com /link11.html   (1100 words)

Azoospermia: A common cause of male infertility - MayoClinic.com Azoospermia — a complete lack of sperm in the ejaculate — accounts for 10 percent to 15 percent of all male infertility. Causes of obstructive azoospermia include damage, injury or abnormalities of the epididymis, vas deferens or ejaculation duct — which transport sperm. In men with obstructive azoospermia, the blockage may be surgically corrected. www.mayoclinic.com /health/azoospermia/AN01259   (302 words)

Infertility - A Couple's Survival Guide Azoospermia is the complete absence of sperm in the seminal ejaculate. Azoospermia is uncommon but not rare, occurring in about 2% of men in the general population and 10-20% of men receiving care in infertility centers. The finding of azoospermia often comes as a surprise for a couple since there often are no symptoms (there frequently is an ejaculate and a normal ejaculation process). www.drdaiter.com /55.html   (705 words)

Azoospermia - WrongDiagnosis.com Azoospermia is the medical condition of a man not having any measurable level of sperm in his semen. Detailed information about the causes of Azoospermia including medication causes and drug interaction causes can be found in our causes pages. With a diagnosis of Azoospermia, it is also important to consider whether there is an underlying condition causing Azoospermia. www.wrongdiagnosis.com /a/azoospermia/intro.htm   (433 words)

AZOOSPERMIA The most severe expression of male factor infertility is azoospermia, where no sperm are present in the ejaculate. Azoospermia is found in 15-20% of men evaluated for infertility. Presently, testicular biopsy may not only discriminate between the types of azoospermia, but have a predictive value for sperm presence in the testis in cases of nonobstructive azoospermia. www.uhmc.sunysb.edu /urology/male_infertility/AZOOSPERMIA.html   (302 words)

FAQs on Azoospermia   (Site not responding. Last check: 2007-10-08) Azoospermia is a term used to denote a semen sample which has no sperms. Azoospermia is of two types – obstructive and non-obstructive. For non-obstructive azoospermia, hormonal treatment leading to an increase in the levels of FSH may benefit those with low levels of this hormone. education.vsnl.com /hic/azo.html   (574 words)

Evaluation and Management of Male Infertility - October 1, 2002 - American Family Physician Azoospermia, the complete absence of sperm from the ejaculate, occurs in 10 to 15 percent of infertile men. Obstructive azoospermia may be resolved by microsurgery, and repair or percutaneous embolization may cure varicocele-related infertility when no other cause is identified. Sperm retrieval techniques allow for good results with in vitro fertilization in men with obstructive azoospermia, when surgical repair is unsuccessful or is not an option, and may improve outcomes if the female partner has advanced age or has infertility problems herself. www.aafp.org /afp/20021001/tips/5.html   (748 words)

Azoospermia in Dogs - WSAVA 2003 Congress Azoospermia is ejaculation of seminal fluid that does not contain spermatozoa. Localization of the cause of azoospermia in the dog is made by general physical examination and by measurement of alkaline phosphatase in the seminal fluid. Causes of azoospermia (Table 1) that may be detected on physical examination include scrotal/inguinal hernia, cryptorchidism and abnormalities of sexual differentiation if testes are small or abnormally positioned. vin.com /proceedings/Proceedings.plx?CID=WSAVA2003&PID=6685&O=Generic   (963 words)

Azoospermia and aspermia explained Azoospermia is the complete absence of sperm in the semen and as such means that a man will be completely infertile. The diagnosis of azoospermia is sometimes still made even though as many as 500,000 sperm per ml of semen may have been seen because it is extremely unlikely that the man will be able to father a child naturally with this number of sperm. Azoospermia occurs in about 2% of men in the general population. www.malefertility.co.uk /azoospermia.html   (335 words)

Azoospermia Causing Male Infertility Azoospermia is one of the most severe forms of male factor infertility. Azoospermia affects only about 2% of the general male population; however, it does account for a large percentage of those men actively seeking fertility treatments. Sometimes, azoospermia is the result of a dysfunction within the testes themselves, making it impossible for your body to produce enough viable sperm. www.sharedjourney.com /define/motility.html   (917 words)

Medical Conditions - Reproductive Endocrinology Azoospermia is a condition in which semen contains no sperm. Depending on the underlying cause, and thanks to modern advances in fertility medicine, it is still possible for many men with azoospermia to father a biological child. Often treatable, hormonal abnormalities such as hypogonadotropic hypogonadism, elevated prolactin levels resulting from hypothyroidism or other causes, elevated estradiol due to hyperthyroidism, glucocorticoid excess from Cushing's syndrome and other hormonal disturbances diminish testicular function, ultimately reducing or causing the cessation of spermatogenesis. www.dpcweb.com /medical/reproductive_endocrinology/azoospermia.html   (888 words)

Male infertility evaluation at IRMS - IVF and infertility clinic of New Jersey, NJ and New York, NY. One problem in particular, a condition called azoospermia, or lack of sperm in the semen, may be amenable to surgical therapy. Obstructive azoospermia can be caused by vasectomy, the elective sterilization procedure; absence of the vas deferens, which carries sperm to the ejaculatory duct, and by scar tissue resulting from surgery. Many cases involving either form of azoospermia can be addressed successfully with relatively new surgeries that rely on sophisticated microscopes and delicate instruments to restore normal function to the male reproductive system. www.sbivf.com /male_surgeries.htm   (975 words)

Microsurgical TESE and the distribution of spermatogenesis in non-obstructive azoospermia - Sherman J. Silber, M.D. It was confirmed that men with non-obstructive azoospermia caused by germinal failure have a mean of 0 to 3 mature spermatids per seminiferous tubule in contrast to 17-35 mature spermatids per tubule in men with normal spermatogenesis and obstructive azoospermia. In summary, the benefit of a microsurgical approach to sperm retrieval for non-obstructive azoospermia is firstly the possibility for removal of only tiny amounts of testicular tissue, and secondly no collateral damage to remaining testicular tissue when larger amounts need to be removed. Men with non-obstructive azoospermia caused by germinal failure have a mean of 0-3 mature spermatids/seminiferous tubule cross-sections, compared with 17-35 mature spermatids/ tubule in men with normal spermatogenesis and obstructive azoospermia (Silber et al., 1990, 1997). www.infertile.com /inthenew/sci/teseopin.htm   (4698 words)

Emory Healthcare | | male factor | " Azoospermia can be the result of a physical obstruction or abnormal development of the ducts leading from the testicles to the urethra. Obstructive Azoospermia: Generally, there is a normal level of sperm production in the testis but the sperm cannot be transported to the urethra at the time of ejaculation. Non-obstructive Azoospermia: This occurs when the dysfunction in the testis leads to such a low level of sperm production that no sperm appear in the ejaculate. www.emoryhealthcare.org /departments/ivf/sub_menu/male_factor.html   (522 words)

fertility.com - Absence of Sperm Azoospermia is the absence of spermatozoa in the semen or the failure of formation of spermatozoa. Obstructive azoospermia can also be due to agenesis (absence) of the epididymis and other parts of the ductal system, including the vas deferens. This is an increasingly common cause of azoospermia in Western countries and in countries such as India where it is a favoured method of contraception. www.fertility.com /international/concern/Infertility_in_Males/Sperm_Disorders/Absence_of_Sperm.jsp   (360 words)

Azoospermia - TESA and PESA Azoospermia may be due to poor production of sperm, a problem in transport of sperm, or a problem with the ejaculatory process. In Congenital Obstructive Azoospermia, the patient is born without the vas deferens. In Non-obstructive azoospermia, the capacity of the testes to produce spermatozoa is so low that virtually no sperm are present in the ejaculate. www.ivfcenterstl.com /pesa-azoospermia.htm   (260 words)

Signs of Azoospermia - WrongDiagnosis.com The phrase "signs of Azoospermia" should, strictly speaking, refer only to those signs and symptoms of Azoospermia that are not readily apparent to the patient. The word "symptoms of Azoospermia" is the more general meaning; see symptoms of Azoospermia. This medical information about signs and symptoms for Azoospermia has been gathered from various sources, may not be fully accurate, and may not be the full list of Azoospermia signs or Azoospermia symptoms. www.wrongdiagnosis.com /a/azoospermia/signs.htm   (321 words)

Infertile Couples Severe Male Infertility Men with obstructive azoospermia include those with congenital absence of the vas deferens, failed vasectomy reversals, and other irreparable obstructions. Most patients with non-obstructive azoospermia have miniscule production of sperm by the testicles, but no sperm in their ejaculate. Azoospermia may be passed on to male offspring from IVF with ICSI. www.yourhealthsiteonline.com /ivf_treatment.html   (399 words)

Male Infertility - Azoospermia explained   (Site not responding. Last check: 2007-10-08) The diagnosis of azoospermia is sometimes still made even though as many as 500,000 sperm per ml of semen may have been seen because it is extrremely unlikely that the man will be able to father a child naturally. So, if the doctor says you have azoospermia make sure you ask exactly what the semen analysis results were. Note : The finding of azoospermia often comes as a surprise for a couple since there often are no symptoms (there frequently is an ejaculate and a normal ejaculation process). www.med-direct.com /mens-fertility/azoof.html   (308 words)

HerbChina2000.com - Herbal Remedies - Male infertility During observations on 336 patients with male infertility due to azoospermia (lack of sperm) or oligospermia (low sperm count), receiving treatment with this herbal combination, 265 cases were judged as healing and fathering a child, 31 cases other significant improvement. Azoospermia (Lack of sperm) - Azoospermia is the complete absence of sperm in the semen. The diagnosis of azoospermia is sometimes still made even though as many as 500,000 sperm per ml of semen may have been seen because it is extremely unlikely that the man will be able to father a child naturally. www.herbchina2000.com /therapies/SBS.shtml   (1198 words)

Center for Male Reproductive Medicine and Microsurgery Azoospermia due to low sperm production (non-obstructive azoospermia) affects approximately 1% of the male population and 10% of men who seek fertility evaluation. Another treated subset of men with nonobstructive azoospermia includes the cohort of 34 men with a history of chemotherapy administered for a variety of diagnoses who underwent 41 sperm retrieval attempts with TESE for persistent nonobstructive azoospermia. Couples in which men have obstructive azoospermia tend to have higher fertilization rates, and subsequent pregnancy rates than do couples in which men have non-obstructive azoospermia, in part because of the better genetic composition and quality of their sperm, a subject that will be discussed in later presentations. www.maleinfertility.org /new-noa.html   (7023 words)

Male Infertility Specialists.com - What is azoospermia and can a person with azoospermia have biological children? Azoospermia is the term used when there is a complete absence of sperm in the ejaculate. Even in those cases where after intervention there is still no sperm in the ejaculate, there may be a possibility of harvesting small amounts of sperm, which have been produced in the testes as a result of the interventions. The primary question, which needs to be answered when faced with azoospermia, is whether the problem lies in the sperm production or in the delivery. www.maleinfertilitymds.com /faq5.htm   (1583 words)

RMA of New York   (Site not responding. Last check: 2007-10-08) For those whose azoospermia is due to obstruction, sperm retrieval can be accomplished by either a needle aspiration or microsurgical technique. Azoospermia is the complete absence of sperm in the semen and has many causes. The genetic abnormality that may be associated with obstructive azoospermia occurs in some men who are born without the vas deferens. www.rmany.com /maletreat.asp   (2299 words)

FHI - Time to Azoospermia -- September 8, 2003 Semen was then tested to determine how many weeks and how many ejaculations it took for the men to reach azoospermia (the complete absence of sperm). The number of men who reached azoospermia was nearly 20 percent higher by 12 weeks than by 20 ejaculations. But they still recommend planning a follow-up visit 12 weeks after vasectomy to confirm success and, whether semen testing is available or not, using condoms or another back-up method of contraception for the same 12-week period. www.fhi.org /en/AboutFHI/Media/Releases/pr2003/sep82003azoospermia.htm   (911 words)

Azoospermia It is, unsurprisingly, associated with very low levels of fertility. obstructive azoospermia, where sperm are created, but cannot be mixed with the rest of the ejaculatory fluid due to a physical obstruction, and; However, in todays modern society, conceiving a child has become somewhat of a challenge for many couples. www.mrsci.com /Andrology/Azoospermia.php   (110 words)

NONOBSTRUCTIVE AZOOSPERMIA Less than a decade ago, patients with nonobstructive azoospermia were often unable to be successfully treated. Patients with nonobstructive or obstructive azoospermia due to congenital and acquired unreconstructable reproductive tract obstruction (e.g. Men with obstructive azoospermia have a higher success rate for sperm retrieval and are at risk of different genetic defects than men with NOA. www.uhmc.sunysb.edu /urology/male_infertility/NONOBSTRUCTIVE_AZOOSPERMIA.html   (461 words)

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