Results 11 to 20 of about 489,854 (362)

Bladder Neck Obstruction: Experience and Management in a Sperm Bank

open access: yesLife, 2023
Primary Bladder Neck Obstruction (PBNO) management provides medical and surgical treatment, such as transurethral incisions that can lead to retrograde ejaculation.
Maria Neve Hirsch   +9 more
doaj   +1 more source

Impairment of spermatogenesis and sperm motility by the high-fat diet-induced dysbiosis of gut microbes

open access: yesGut, 2020
Objective High-fat diet (HFD)-induced metabolic disorders can lead to impaired sperm production. We aim to investigate if HFD-induced gut microbiota dysbiosis can functionally influence spermatogenesis and sperm motility.
Ning Ding   +13 more
semanticscholar   +1 more source

Sperm DNA Fragmentation: A New Guideline for Clinicians

open access: yesThe World Journal of Men's Health, 2020
Sperm DNA integrity is crucial for fertilization and development of healthy offspring. The spermatozoon undergoes extensive molecular remodeling of its nucleus during later phases of spermatogenesis, which imparts compaction and protects the genetic ...
A. Agarwal   +23 more
semanticscholar   +1 more source

Automated Sperm Immobilization for Intracytoplasmic Sperm Injection [PDF]

open access: yesIEEE Transactions on Biomedical Engineering, 2011
Sperm immobilization is a requisite step in intracytoplasmic sperm injection (ICSI). Conventionally, sperm immobilization is performed manually, which entails long training hours and stringent skills. Manual sperm immobilization also has the limitation of low success rates and poor reproducibility due to human fatigue and skill variations across ...
Clement Leung   +4 more
openaire   +2 more sources

Extend the Survival of Human Sperm In Vitro in Non-Freezing Conditions: Damage Mechanisms, Preservation Technologies, and Clinical Applications

open access: yesCells, 2022
Preservation of human spermatozoa in vitro at normothermia or hypothermia maintaining their functions and fertility for several days plays a significant role in reproductive biology and medicine.
Qingyuan Cheng   +8 more
doaj   +1 more source

Sperm DNA fragmentation testing: Summary evidence and clinical practice recommendations

open access: yesAndrologia, 2020
We herein summarise the evidence concerning the impact of sperm DNA fragmentation in various clinical infertility scenarios and the advances on sperm DNA fragmentation tests. The collected evidence was used to formulate 41 recommendations.
S. Esteves   +7 more
semanticscholar   +1 more source

Sperm-Hybrid Micromotor for Targeted Drug Delivery. [PDF]

open access: yesACS Nano, 2017
A sperm-driven micromotor is presented as a targeted drug delivery system, which is appealing to potentially treat diseases in the female reproductive tract.
Haifeng Xu   +5 more
semanticscholar   +1 more source

Effect of somatometric parameters on the prevalence and severity of varicocele: a systematic review and meta-analysis

open access: yesReproductive Biology and Endocrinology, 2021
Background Published studies have shown contradictory results regarding the relationship between somatometric parameters and varicoceles. We performed a systematic review and meta-analysis to investigate the possible effects of age, height, weight, and ...
Runqing Li   +3 more
doaj   +1 more source

Cryopreservation of single-sperm: where are we today?

open access: yesReproductive Biology and Endocrinology, 2020
Background Patients with severe oligospermia and nonobstructive azoospermia have very limited numbers of viable sperm in their epididymal and testicular samples. Thus, cryopreservation of their sperm is performed to avoid repeated sperm retrievals and to
Shasha Liu, Fuping Li
doaj   +1 more source

Comment on Boitrelle et al. The Sixth Edition of the WHO Manual for Human Semen Analysis: A Critical Review and SWOT Analysis. Life 2021, 11, 1368

open access: yesLife, 2022
We wish to congratulate Boitrelle and colleagues for their comprehensive critical review on the Sixth Edition of the WHO Laboratory Manual for Human semen examination [...]
Francesco Pallotti   +2 more
doaj   +1 more source

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