AI Article Synopsis
- The study aimed to examine how common ureaplasmas are in semen and washed semen, as well as their impact on semen quality in men undergoing ART.
- Out of 343 male participants, ureaplasmas were found in 22% of unwashed semen samples and 8.5% of washed samples, indicating that standard washing may not fully eliminate them.
- The presence of ureaplasmas was linked to lower proportions of nonmotile sperm, suggesting that they could negatively affect sperm motility.
Article Abstract
Objective: To investigate the prevalence of ureaplasmas in semen and washed semen and to explore their effect on semen andrology variables.
Design: Prospective study.
Setting: In vitro fertilization (IVF) unit of a private hospital.
Patient(s): Three hundred forty-three men participating in an assisted reproductive technology (ART) treatment cycle.
Main Outcome Measure(s): The prevalence of ureaplasmas in semen and washed semen tested by culture, polymerase chain reaction assays, and indirect immunofluorescent antibody assays.
Result(s): Ureaplasmas were detected in 73 of 343 (22%) semen samples and 29 of 343 (8.5%) washed semen samples. Ureaplasmas adherent to the surface of spermatozoa were demonstrated by indirect immunofluorescent antibody testing. Ureplasma parvum serovar 6 (36.6%) and U. urealyticum (30%) were the most prevalent isolates in washed semen. A comparison of the semen andrology variables of washed semen ureaplasma positive and negative groups demonstrated a lower proportion of nonmotile sperm in men ureaplasma positive for washed semen.
Conclusion(s): Ureaplasmas are not always removed from semen by a standard ART washing procedure and can remain adherent to the surface of spermatozoa.
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| http://dx.doi.org/10.1016/s0015-0282(03)01125-7 | DOI Listing |
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