ABSTRACT Background Klinefelter syndrome (KS) is the most common genetic cause of male infertility and is associated with nonobstructive azoospermia. Advances in surgical sperm retrieval techniques have enabled biological fatherhood in a subset of men with KS.
Cecilie N. Larsen +5 more
wiley +1 more source
Occupational Physical Activity Is Negatively Associated With Semen Quality
ABSTRACT Background Lifestyle factors have been associated with semen quality and have been implicated in the reported global decline in semen parameters. Moderate physical activity has been linked to improved semen quality; however, the association between occupational physical activity and semen quality is limited.
Michal Efrat +5 more
wiley +1 more source
Does the contralateral testicular volume decide the need for diagnostic laparoscopy in cases of unilateral impalpable undescended testis? [PDF]
Elrouby A, Ghalab M, Kotb M.
europepmc +1 more source
Testicular volume in non-obstructive azoospermia with a history of bilateral cryptorchidism may predict successful sperm retrieval by testicular sperm extraction. [PDF]
Osaka A +9 more
europepmc +1 more source
ABSTRACT Background A large number of children have been born using testicular sperm from men with Klinefelter syndrome (KS), whereas reports of children conceived using ejaculated sperm are rare. Objective To review all published cases of children conceived using ejaculated sperm from men with KS, assess their health and karyotype, and evaluate ...
Jens Fedder, Freja Sørensen
wiley +1 more source
ABSTRACT Background Male accessory gland inflammation (MAGI) comprises a heterogeneous group of inflammatory conditions that may differentially affect the seminal microenvironment and sperm function. However, whether transrectal ultrasound (TRUS)‐defined MAGI phenotypes correspond to distinct biological profiles remains insufficiently characterized ...
Emanuela Teveroni +16 more
wiley +1 more source
Development of a predictive nomogram for testicular sperm extraction outcomes in patients with non-obstructive azoospermia using testicular volume, follicle-stimulating hormone levels, and testosterone levels as key parameters. [PDF]
Zhou Q, Mao C, Ouyang J, Zhang Z.
europepmc +1 more source
Associations Between Sperm DNA Fragmentation and Lifestyle Factors
ABSTRACT Background Sperm DNA fragmentation index (DFI) has been proposed as a supplementary biomarker to traditional semen parameters in the evaluation of male infertility. However, its determinants and clinical relevance remain unclear, particularly regarding modifiable lifestyle factors.
Lana Haval Mairof Adams +7 more
wiley +1 more source
Changes in Semen Volume Following Vasectomy: A Retrospective Case–Control Analysis
ABSTRACT Background Vasectomy is the most common non‐diagnostic procedure performed by urologists and the only permanent form of sterilization routinely offered to men. Though vasal fluid has been estimated to represent less than 10% of seminal volume, studies describing the effect of vasectomy on semen volume remain limited.
Bryan D. Naelitz +7 more
wiley +1 more source
Effect of administration of nanoparticles of human chorionic gonadotropin on testicular hemodynamics, testicular volume, testicular echotexture, and circulating testosterone and nitric oxide in pubescent goat bucks under heat stress conditions. [PDF]
Essam M +3 more
europepmc +1 more source

