Tag: male sterility


Sperm vitality test

Necrospermia is a male fertility problem characterized by the presence of dead sperm in the ejaculate. Necrospermic men, however, are able to have biological offspring thanks to assisted reproductive technologies.

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Teratospermia: abnormal sperm morphology

It consists of an alteration within the sperm shape, in which more than 95% of sperm have an strange morphology, leading thus to male infertility because of an sperm factor.

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Testicular torsion

Testicular orchiditis is the name that an inflammation in the male gonads receives, be it in the vasa deferentia, epididymis, blood vessels or the testicle itself.

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Sertoli cell-only syndrome

Male infertility

There aren’t many cases of Sertoli cell-only syndrome, but men that suffer from it can’t produce spermatozoa and must turn to sperm donation to become parents.

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Varicocele presence

Varicocele is a dilatation of the testicle veins, which doesn’t always result in a problem of fertility. In severe cases when it aches, surgery is recommended to treat it.

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Male factor infertility

Sterility due to altered sperm

Male sterility due to sperm factors may be produced by some alterations that affect the spermatozoa, either their vitality, morphology, concentration and/or motility.

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Indications for conventional in vitro fertilisation

Conventional IVF

In vitro fertilisation is indicated in cases of mild male infertility and tubal obstruction, endometriosis, and ovulation disruption. This technique consists of placing the ovum in a drop of sperm; then, the spermatozoa will pass through the egg layers until only of them reaches the cytoplasm.

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Male sterility

Male sterility causes

Depending on the nature of the problem, male sterility may be due to several factors, such as: endocrine factors, testicular factors, post-testicular factors, and, finally, sperm factors.

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