Find out the causes of male infertility and azoospermia from the experts at Center for Male Reproductive Medicine & Vasectomy Reversal in Los Angeles. La azoospermia y la criptozoospermia son enfermedades relativamente comunes entre los varones, teniendo que recurrir a tratamientos de reproducción . Download Citation on ResearchGate | Casos clínicos de esterilidad secundaria por azoospermia obstructiva subsidiaria de reparación quirúrgica | Secondary.

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Human spermatogensis in vitro: November 16, at 6: Among the biggest drug-related causes of NOA are testosterone and other anabolic steroids.

Tech Urol obstructia 2: Endocrinol Rev ; It is recommended that men primary hypopituitarism may be linked to a genetic cause, a genetic evaluation is indicated in men with azoospermia due to primary hypopituitarism.

Examples include hypopituitarism for various causeshyperprolactinemiaand exogenous FSH suppression by testosterone. Some men are born missing a portion of the vas deferens that is essentially a genetic situation similar to a vasectomy. Kerem E, Rave-Harel N. Defects in this area can lead to oligospermia or azoospermia, however, a tight genotype-phenotype correlation has not been achieved.

High serum FSH levels in men with nonobstructive azoospermia does not affect success of microdissection testicular sperm extraction. Azoospermia can be classified into three major types as listed. Ni this video to learn more about vasectomy and vasectomy reversal.


If it is necessary, a testicular biopsy can be performed to obtain testicular sperm. Cambridge University Prees; No differences in outcome after intracytosplasmatic sperm inyection with fresh or with frozen-thawed epididimal spermatozoa.


Prevalence of Y chromosome microdelections in oligospermic and azoospermic candidates for intracytoplasmic sperm inyection. Congenital absence of the vas deferens may be detectable on physical examination and can be confirmed by a transrectal ultrasound TRUS.

History includes the general health, sexual health, past fertility, libido, and sexual activity. An updated systematic review and collaborative meta-analysis”.


Necrozoo spermia – dead or immobile sperms. Ejaculatory disorders include retrograde ejaculation and anejaculation ; in azoospeemia conditions sperm are produced but not expelled. Schedule a private consultation with male fertility doctor Dr. Genetic testing may be of interest and recommended in some cases suspected Cystic Fibrosis, karyotype, microdeletions of the Y chromosome, etc.

micro-TESE: más esperanzas para pacientes con azoospermia

Syst Biol Reprod Med. Not all cases of male infertility or azoospermia no sperm in the ejaculate are the same or should be treated in the same way. Review of our results during the last 5 years. Assisted reproductive technology by intracytoplasmatic sperm injection in male-factor infertility. Men with infertility caused by AZFc delection can produce sons by intracytoplasmatic sperm inyection, but are likely to transmit the deletion and infertility.


Genetic screening for patients with azoospermia and severe oligo-asthenospermia. A chance of azoopermia in non-obstructive azoospermia.


Percutaneous testicular sperm aspiration: Semen analysis revealing no sperm cells and multiple white blood cells. Chromosomal alterations and male infertility. This means there is a greater chance of finding an area that has sperm, and a better chance of becoming a biological father. Schedule Consultation Contact Us. Our experience with simplified vasovasostomy. Testicular infertility factors view talk edit. Genetic risks of intracytoplasmatic sperm injection in the treatment of male infertility: Shaw’s Textbook of Gynaecology, 15e.

In terms of reproduction, it needs to be considered if the genetic defect could be transmitted to the offspring.

Retrieved June 14,