oligospermia

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oligospermia

[¦äl·ə·gō′spər·mē·ə]
(medicine)
Scarcity of spermatozoa in the semen.
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The absence of AZFb is associated with maturation arrest at meiosis, whereas micro-deletion of AZFc results in variable clinical and histologic phenotypes, ranging from oligozoospermia to SCOS (6).
Genetic risk factors in infertile men with severe oligozoospermia and azoospermia.
El incremento en la tasa afecta la calidad del semen, esta tasa es afectada en oligozoospermia y astenozoospermia.
Asthenozoospermia was observed in 90% of cases, oligozoospermia in 20% of cases.
2) In cases of infertility due to oligozoospermia where pregnancy by sperm-sorting and concentration methods and artificial insemination by the husband is deemed not possible.
Cytogenetic and Y chromosome microdeletion screening studies in infertile males with Oligozoospermia and Azoospermia in Southeast Turkey.
La delecion de genes en cualquiera de las regiones AZF puede conducir a anormalidades en la espermatogenesis (14), con subsecuente alteracion en la calidad y/o cantidad de espermatozoides, provocando azoospermia u oligozoospermia, (16).
Estos niveles y grados de esterilidad se clasifican de la siguiente manera: azoospermia (ausencia de espermatozoides en el eyaculado), normozoopermia (concentracion de espermatozoides, 4 millones en total o mas), oligozoospermia (concentracion de espermatozoides, menos de 4 millones en total), astenozoospermia (menos del 50% de espermatozoides con progresion lineal o menos del 25% con progresion rapida), teratozoospermia (menos del 50% de espermatozoides con morfologia normal), necrozoospermia (menos del 50% de espermatozoides no viables), y Aspermia (ausencia de eyaculado externo).
Its frequency is about 10% in non-obstructive azoospermia, and 3% to 5% in idiopathic severe oligozoospermia (Krausz & Degl'Innocenti, 2006).
Indeed, a recent systematic review involving 14 studies and 9,779 men reported that overweight and obese men are at increased risk of oligozoospermia or azoospermia, compared with normal-weight men (Arch.
Pacientes varones con cancer tratados con CP presentan una mayor incidencia de oligozoospermia y azoospermia (Charak et al.
49-56) Cyclophosphamide may cause azoospermia in up to 13% and oligozoospermia in 30% of patients treated with a total dose of 560 - 840 mg/kg.