Results 71 to 80 of about 29,094 (258)

The effect of varicocelectomy on the spermogram of patients with subclinical varicocele [PDF]

, 2003
This clinical study, carried out from 1996 to 1999, was aimed at assessing the effect of varicoceletomy on the spermogram of patients with subclinical varicocele. A total of 142 patients (Mean age 28.1±4.3) with varicocele (63 with subclinical) took part
Ketabchi AA,
core  

Lifestyle implications of the paradox and management of oxidative stress in sperm

The Journal of Physiology, Volume 604, Issue 3, Page 1028-1044, 1 February 2026.
Abstract figure legend Lifestyle factors influencing male fertility. Schematic overview of lifestyle factors with beneficial (left) and detrimental (right) effects on male fertility. A balanced diet, regular moderate physical activity and stress management strategies support sperm function and redox homeostasis.
Giuseppe T. Patané, Ruben J. Moreira, Annamaria Russo, Maria L. Pereira, Pedro F. Oliveira, Davide Barreca, Marco G. Alves   +6 more
wiley   +1 more source

Spermatozoa protein alterations in infertile men with bilateral varicocele

Asian Journal of Andrology, 2016
Among infertile men, a diagnosis of unilateral varicocele is made in 90% of varicocele cases and bilateral in the remaining varicocele cases. However, there are reports of under-diagnosis of bilateral varicocele among infertile men and that its ...
Ashok Agarwal, Rakesh Sharma, Damayanthi Durairajanayagam, Zhihong Cui, Ahmet Ayaz, Sajal Gupta, Belinda Willard, Banu Gopalan, Edmund Sabanegh   +8 more
doaj   +1 more source

Comparative Evaluation of Two Microfluidic Sperm Sorting Devices: Laboratory Assessment of Sperm Quality and Retrospective Analysis of Embryological Outcomes Following Intracytoplasmic Sperm Injection

Reproductive Medicine and Biology, Volume 25, Issue 1, January/December 2026.
ABSTRACT Purpose Density gradient centrifugation (DGC) enriches motile sperm but may increase sperm DNA fragmentation (SDF), whereas microfluidic sperm sorting devices, such as ZyMōt and CA0, enable centrifugation‐free selection with lower SDF. Direct comparisons are limited, and their relative clinical efficacy remains unclear.
Ryota Tachibana, Hiroki Takeuchi, Miyu Yotsutani, Mikiko Nishioka, Erina Takayama, Eiji Kondo   +5 more
wiley   +1 more source

Role of varicocele repair in the era of assisted reproductive technologies: Lessons from 2000 cases of microsurgical varicocele repair

Reproductive Medicine and Biology
Backgrounds In an era of advanced maternal age, there is less conclusive evidence regarding the treatment outcomes of varicocele repair for assisted reproductive technology (ART). Progress in basic research on varicocele is notable whereas there are many
Koji Shiraishi
doaj   +1 more source

Utilization of Fertility Treatment in Japan During the First Year of Insurance Coverage: Analysis of Real‐World Health Claims Data

Reproductive Medicine and Biology, Volume 25, Issue 1, January/December 2026.
ABSTRACT Purpose In April 2022, fertility treatments, including assisted reproductive technology (ART), became eligible for public health insurance coverage in Japan. This study describes the prevalence and characteristics of infertility diagnoses and fertility treatments during the first year of coverage.
Makoto Okawara, Tomoichiro Kuwazuru, Moe Masunaga, Kenji Fujimoto, Masako Nagata, Takeshi Iwasa, Yoshihisa Fujino   +6 more
wiley   +1 more source

Association Between Sertoli Cell-Only Syndrome, Varicocele and FSH Level in Azoospermic Patients [PDF]

, 2018
A varicocele is the most frequent causes of infertility because it causes damage to the testes that could increase the levels of FSH. The objectives of this study were to determine the relationship of varicocele history and the condition of Sertoli cell ...
Birowo, P. (Ponco), Eva, M. (Michelle), Rasyid, N. (Nur), Sari, P. (Puji)   +3 more
core  

Normozoospermic men in infertile couples: Potential benefit of early medical diagnostic procedures

Andrology, Volume 14, Issue 1, Page 101-108, January 2026.
Abstract Introduction Infertility, defined as the inability to achieve pregnancy despite regular, unprotected sexual intercourse for 1 year, affects approximately 15% of couples. Male factors contribute to 50% of these cases. The necessity of andrological evaluations for male partners of infertile couples with normozoospermia is currently under ...
Simone Bier, Anton Wolff, Michael Zitzmann, Sabine Kliesch   +3 more
wiley   +1 more source

Known pathophysiological mechanisms in the incidence of varicoceles [PDF]

, 2016
زمینه و هدف: واریکوسل به اتساع و پیچش غیر طبیعی وریدهای اسپرماتیک در بیضه اطلاق می شود و از جمله شایع ترین علت قابل درمان در مردان نابارور می باشد. در افراد مبتلا به واریکوسل عملکرد بیضه به طور پیشرونده آسیب می بیند، اما مکانیسم های دقیق درگیر در شروع و ...
Abbasi, Homayoun., Arbabian, Maryam., Azadi, Leila., Deemeh, Mohammadreza., Nasr-Esfahani, Mohammadhossein., Navaeian-Kalat, Elahe., Tavalaee, Marzieh.   +6 more
core  

Paternal ischemic heart disease and chance of successful pregnancy outcomes

Andrology, Volume 14, Issue 1, Page 132-139, January 2026.
Abstract Background Only approximately 30% of conceptions result in live births. Historically, research has predominantly focused on maternal factors impacting pregnancy success, despite the cause remaining unidentified in most cases. The influence of paternal factors on a couple's likelihood of achieving a successful pregnancy is still not well ...
Anne‐Sofie Sønnichsen‐Dreehsen, Caroline Theilgaard Thorarinsson, Bente Mertz Nørgård, Jens Fedder, Mette Wod   +4 more
wiley   +1 more source