Azoospermia: Causes & Reasons

Possible Causes for Azoospermia

Microdeletions in the azoospermia factor (AZF) region of the Y chromosome were detected by multiplex PCR using 16 specific sequence-tagged sites. [ncbi.nlm.nih.gov]

Abstract We investigated azoospermia region microdeletions in male infertility patients with Klinefelter syndrome (KFS), as well as the association between azoospermia symptoms [ncbi.nlm.nih.gov]

He had the male phenotype, however, azoospermia was incidentally detected on sperm banking analysis, performed prior to chemotherapy for mixed germ cell tumor. [ncbi.nlm.nih.gov]

Vasectomy

Time to achieve azoospermia was variable, although the median incidence of patients with azoospermia was consistently more than 80% after 3 months and after 20 ejaculations [ncbi.nlm.nih.gov]

The primary outcome measure was time to azoospermia. [doi.org]

Conclusions: The evidence supports a PVSA protocol with 1 test showing azoospermia after 3 months and 20 ejaculations. [doi.org]

X-Linked Hypogonadotropic Hypogonadism without Anosmia

Obstructive azoospermia and chronic sinopulmonary infections. [link.springer.com]

Lancet 356:1625–1626 PubMed CrossRef Google Scholar Hendry WF (1994) Azoospermia and surgery for testicular obstruction. In: Hargreave TB (ed) Male infertility. [link.springer.com]

Springer, Berlin Heidelberg New York, pp 312 Google Scholar Brindley GS, Scott GI, Hendry WH (1986) Vas cannulation with implanted reservoirs for obstructive azoospermia or [link.springer.com]

Hypogonadotropic Hypogonadism Type 8

Results: Seminal analysis showed always azoospermia. Serum FSH was 2.9 mIU/mL, serum LH >1 mIU/mL and serum testosterone 7.9 ng/mL (12 months after treatment). [ncbi.nlm.nih.gov]

Hypogonadotropic hypogonadism azoospermia TESE ICSI hormonal therapy This is a preview of subscription content, log in to check access. [link.springer.com]

[…] semen analysis, the subsequent cases presented cover a variety of relevant topics in male infertility, including anabolic steroid use, ejaculatory and erectile dysfunction, azoospermia [books.google.com]

Kallmann Syndrome Type 3

In case of persistent azoospermia after gonadotropins therapy, possibility of mixed genesis azoospermia should be kept in mind. [fertilityscienceresearch.org]

Results: Seminal analysis showed always azoospermia. Serum FSH was 2.9 mIU/mL, serum LH >1 mIU/mL and serum testosterone 7.9 ng/mL (12 months after treatment). [ncbi.nlm.nih.gov]

Comentário editorial: In the present case, azoospermia was secondary to a full absence of central gonadotropins (hypogonadotropic hypogonadism). [fcm.unicamp.br]

Hypogonadotropic Hypogonadism Type 21

Results: Seminal analysis showed always azoospermia. Serum FSH was 2.9 mIU/mL, serum LH >1 mIU/mL and serum testosterone 7.9 ng/mL (12 months after treatment). [ncbi.nlm.nih.gov]

Wischusen et al. described a patient with partial 21-hydroxylase deficiency, azoospermia, small testes, normal to high serum testosterone levels, and suppressed serum levels [78stepshealth.us]

Still able to convert testosterone to DHT Testicular injury & infection (e.g., mumps, radiation, chemo) Sertoli-cell-only syndrome Azoospermia, but ___ testosterone production [quizlet.com]

Varicocele

OBJECTIVE: To evaluate the efficacy of varicocele repair in patients with nonobstructive azoospermia. [ncbi.nlm.nih.gov]

A 34-year-old male patient with nonobstructive azoospermia and childlessness for more than 2 years is presented. [ncbi.nlm.nih.gov]

This is the first case in which obstructive azoospermia occurred after high inguinal varicocelectomy. [ncbi.nlm.nih.gov]

Seminal Vesicle Disorder

What is azoospermia and can a person with azoospermia have biological children? [maleinfertilityspecialists.com]

A higher median fructose concentration was observed in seminal plasma from men with non-obstructive azoospermia (3.22 mg/ml) compared to that from men with obstructive azoospermia [siicsalud.com]

azoospermia. [auanet.org]

Leydig Cell Hypoplasia due to LHB Deficiency

Individuals with presentation of the most common symptoms of infertility such as amenorrhea, azoospermia, secondary sex character findings Individuals with a positive family [centogene.com]

Microdeletions of several Y chromosome azoospermia factor ( AZF ) genes (e.g., RNA-binding motif, RBM ; deleted in azoospermia, DAZ ) are associated with oligospermia or azoospermia [clinicalgate.com]

Azoospermia is the rule in men with Klinefelter syndrome who have the 47,XXY karyotype; however, men with mosaicism may have germ cells, especially at a younger age. [gynecology.blogsky.com]

Congenital Absence of the Vas Deferens

Azoospermia refers to complete absence of sperm in the semen. It accounts for 5-10% of male infertility 1. [radiopaedia.org]

Most male infertility specialists classify problems with sperm production into two main categories: Obstructive Azoospermia (OA) Non-Obstructive Azoospermia (NOA) Azoospermia [healthcare.utah.edu]

The results came back...0 sperm...unexplained Azoospermia. Just to verify the results, they ordered a second SA...results the same...0 sperm...Azoospermia. [fertilethoughts.com]

Sertoli Cell-Only Syndrome

Male mice with a point mutation in the Plk4 gene show azoospermia associated with germ cell loss. [ncbi.nlm.nih.gov]

[…] a fly model of azoospermia, Sertoli cell-only syndrome. [flybase.org]

KEYWORDS: Sertoli cell-only syndrome; azoospermia; germ cell; infertility; mRNA; male [ncbi.nlm.nih.gov]

Oligospermia

The aim of this study was to identify mutations in Pygo2 that might lead to idiopathic oligospermia and azoospermia. [ncbi.nlm.nih.gov]

These patients were re-evaluated with two new semen analyses, showing azoospermia. [ncbi.nlm.nih.gov]

RESULT(S): Analysis of semen obtained from men treated for cryptorchidism in childhood showed azoospermia or oligospermia in 14 of 38 (37%) men. [ncbi.nlm.nih.gov]

Aspermia

Page Contents Pretesticular Azoospermia Diagnosis: Causes: Treatment: Testicular Azoospermia Diagnosis: Congenital Causes: Acquired Causes: Treatment: Azoospermia is a condition [med.unc.edu]

72 with obstructive azoospermia and 41 with aspermia. [ncbi.nlm.nih.gov]

What is Azoospermia 4. Similarities – Aspermia and Azoospermia 5. Aspermia vs Azoospermia in Tabular Form 6. [differencebetween.com]

Young Syndrome

We studied 29 men with Young's syndrome, a combination of obstructive azoospermia and chronic sinopulmonary infections. [ncbi.nlm.nih.gov]

Abstract We studied 29 men with Young's syndrome, a combination of obstructive azoospermia and chronic sinopulmonary infections. [doi.org]

The diagnosis is based on the occurrence of chronic sinopulmonary infections, persistent azoospermia, normal spermatogenesis, and characteristic epididymal findings, as well [ncbi.nlm.nih.gov]

Male Infertility

Azoospermia is said to occur in 1 percent of men. Of sufferers, 94 percent of them are diagnosed with nonobstructive azoospermia. [japantimes.co.jp]

"This study is among the first to describe specific gene mutations on the X chromosome that contribute to azoospermia and male infertility." [sciencedaily.com]

Azoospermia Not Caused by Vasectomy: Obstructive Azoospermia If the azoospermia is not caused by a previous vasectomy, it is usually not correctable with reconstruction, and [infertile.com]

Infertility

A 45-year-old male with azoospermia was presented to us with primary infertility. We found that he had been taking testosterone due to erectile dysfunction. [ncbi.nlm.nih.gov]

CONCULUSION: The polymorphism of SNP rs4045481 in RNF212 gene might be associated with azoospermia and genotype CC of this SNP may be a risk factor of azoospermia. [ncbi.nlm.nih.gov]

Testicular biopsy should not be performed in males with azoospermia. [ncbi.nlm.nih.gov]

Hypogonadotropic Hypogonadism

Results: Seminal analysis showed always azoospermia. Serum FSH was 2.9 mIU/mL, serum LH >1 mIU/mL and serum testosterone 7.9 ng/mL (12 months after treatment). [ncbi.nlm.nih.gov]

Azoospermia as well as failure of gonadotrophin treatment have been reported. [ncbi.nlm.nih.gov]

A potential cause for azoospermia and infertility in adult life is deficient proliferation of immature Sertoli cells before and during puberty due to the absence of FSH. [ncbi.nlm.nih.gov]

Benign Interstitial Cell Tumor of the Testis

The case of benign LCT presented with infertility and was found to have azoospermia. [ijpmonline.org]

A semen analysis revealed azoospermia. [hormones.gr]

Semen analysis revealed azoospermia. Serum testosterone, estrogen and 24-hour urine 17-ketosteroids levels were normal. [sjkdt.org]

Congenital Absence of the Testis

What is azoospermia and can a person with azoospermia have biological children? [maleinfertilityspecialists.com]

azoospermia. [auanet.org]

Prostatic Cyst

The spermatozoa were present in the semen in 5 of 7 cases with azoospermia. In one patient, the spermatozoa occurred in the urine after ejaculation. [ncbi.nlm.nih.gov]

1 0 0 21 62.3 Azoospermia 2 0 0 17 52.3 Azoospermia 3 0 0 0 0 Azoospermia 4 0 0 32 68.7 Azoospermia 5 0 0 10 45.5 Azoospermia 6 * 0 0 0 0 Azoospermia 7 0 0 43 57.9 Discussion [bmcurol.biomedcentral.com]

[…] of a midline prostatic cyst in subfertile men with one or more of the following semen abnormalities: decreased ejaculatory volume, decreased sperm motility and oligo- or azoospermia [ncbi.nlm.nih.gov]

Isolated Follicle Stimulating Hormone Deficiency

83 Azoospermia due to Spermatogenic Failure 97 Ejaculatory Dysfunction 115 Male Contraception 145 Semen Assessment 163 Identification and Preparation of Sperm for ART 169 [books.google.de]

Keywords: Isolated FSH deficiency; FSHβ gene; Mutation; Azoospermia; Case report Subscription required Not yet a registered user? Please Register Here [scitechnol.com]

PATIENT(S): A 19-year-old man with normal virilization, azoospermia, and isolated FSH deficiency. [ncbi.nlm.nih.gov]

Congenital Bilateral Absence of Vas Deferens

Azoospermia refers to complete absence of sperm in the semen. It accounts for 5-10% of male infertility 1. [radiopaedia.org]

What is obstructive azoospermia ? [drmalpani.com]

Tuberculosis of the Vas Deferens

What is obstructive azoospermia ? [drmalpani.com]

Techniques for microsurgical reconstruction of obstructive azoospermia. [indianjurol.com]

Azoospermia is a vexing clinical problem. [jhrsonline.org]

Kallmann Syndrome Type 4

Results: Seminal analysis showed always azoospermia. Serum FSH was 2.9 mIU/mL, serum LH >1 mIU/mL and serum testosterone 7.9 ng/mL (12 months after treatment). [ncbi.nlm.nih.gov]

If azoospermia persists, testicular sperm extraction combined with intracytoplasmic sperm injection provides a successful option. [journals.lww.com]

E28.8 Other ovarian dysfunction Ovarian hyperfunction NOS E28.9 Ovarian dysfunction, unspecified E29 Testicular dysfunction Excludes: androgen resistance syndrome ( E34.5 ) azoospermia [apps.who.int]

Female Infertility due to Fertilization Defect

A small percentage of men with either azoospermia or oligospermia have deletions in the Y chromosome. [beaumont.org]

CLINICAL CHARACTERISTICS: Y chromosome infertility is characterized by azoospermia (absence of sperm), severe oligozoospermia ( 6 sperm/mL semen), moderate oligozoospermia [ncbi.nlm.nih.gov]

It should be considered for those with severe deficits in semen quality, obstructive azoospermia or those with non-obstructive azoospermia. [patient.info]

Male Genital Tuberculosis

The doctor also might suggest this test for men who have idiopathic obstructive Azoospermia and a previous history of TB infections. [andrologycenter.in]

In cases with isolated epididymal or vassal involvement, semen parameters is suggestive of obstructive azoospermia and reveal azoospermia or severe oligospermia with normal [tau.amegroups.com]

TB in Male Patients – tuberculous epididymo-orchitis/azoospermia Specialist collection kits must be used for this test and samples will need to be with us within 17 hours [nationwidepathology.co.uk]

Reifenstein Syndrome

The Reifenstein syndrome is characterized by hypospadias, postpubertal atrophy of the seminiferous tubules, azoospermia and varying degrees of eunuchoidism and gynecomastia [iths.pure.elsevier.com]

Azoospermia is common and occasionally accompanied by hypoplasia of vas deferens. Most have a male psychological development. Germ cell malignancies can occur. [accessanesthesiology.mhmedical.com]

Reifenstein, Jr., American physician, 1908-1975 male hypogonadism of unknown origin, marked by azoospermia, undescended testes, gynecomastia, testosterone deficiency, and [medical-dictionary.thefreedictionary.com]

Klinefelter Syndrome with XY/XXY Mosaic

Diagnostic Work-up in Klinefelter's Syndrome A Klinefelter's syndrome should be suspected if azoospermia, hypergonadotropic hypogonadism and the above mentioned phenotype [urology-textbook.com]

This may be a better option for those men with mosaic Klinefelter syndrome, as most men with Klinefelter have azoospermia. Read more information about sperm banking. [oncofertility.northwestern.edu]

This condition is a fairly common cause of infertility, accounting for 5-10% of all cases of oligospermia and azoospermia. [dontcookyourballs.com]

Seminal Vesicle Calculus

A microscopic semen analysis will reveal aspermia / azoospermia. [en.wikipedia.org]

Cystic fibrosis transmembrane conductance regulator and obstructive azoospermia. Lancet 345, 1578 (1995). 38. Chillon, M. et al. [nature.com]

Technical advances have markedly improved the prognosis for men with obstructive azoospermia (1). [brucegilbertmd.com]

Hypogonadotropic Hypogonadism Type 22

Clomiphene has also been used on hypogonadic patient with azoospermia. Increases in testosterone in the testis may favor production of sufficient sperm in the ejaculate. [slideshare.net]

His condition improved after therapy except for persisting azoospermia. [atmph.org]