نتایج جستجو برای: oligoasthenoteratozoospermia

تعداد نتایج: 145  

Journal: :Human reproduction 1999
M G Pang S F Hoegerman A J Cuticchia S Y Moon G F Doncel A A Acosta W G Kearns

Recent evidence suggests that infertile males donating semen for intracytoplasmic sperm injection (ICSI) may be at an increased risk of transmitting numerical (predominantly sex chromosome) abnormalities to their offspring. The present study was designed to determine aneuploidy in spermatozoa from oligoasthenoteratozoospermic (OAT) patients undergoing ICSI. Aneuploidy frequencies of 12 autosome...

Journal: :Human reproduction 2015
J A M Hamilton M Cissen M Brandes J M J Smeenk J P de Bruin J A M Kremer W L D M Nelen C J C M Hamilton

STUDY QUESTION Does the prewash total motile sperm count (TMSC) have a better predictive value for spontaneous ongoing pregnancy (SOP) than the World Health Organization (WHO) classification system? SUMMARY ANSWER The prewash TMSC shows a better correlation with the spontaneous ongoing pregnancy rate (SOPR) than the WHO 2010 classification system. WHAT IS KNOWN ALREADY According to the WHO ...

Safarinejad MR Safarinejad Sh Shafiei N

Background: Infertility is a multifactorial disorder affecting one in ten couples, and in 50% of infertile couples, the male factor due to deteriorated semen quality is a major cause. In about 30% of infertile men seeking help for their problem, the etiology and pathogenesis are not yet known and their condition is considered idiopathic. Through animal studies conducted recently, hundreds of ge...

2015
Hannah L. Williams Steven Mansell Wardah Alasmari Sean G. Brown Stuart M. Wilson Keith A. Sutton Melissa R. Miller Polina V. Lishko Christopher L.R. Barratt Steven J. Publicover Sarah Martins da Silva

STUDY QUESTION Are significant abnormalities of CatSper function present in IVF patients with normal sperm concentration and motility and if so what is their functional significance for fertilization success? SUMMARY ANSWER Sperm with a near absence of CatSper current failed to respond to activation of CatSper by progesterone and there was fertilization failure at IVF. WHAT IS KNOWN ALREADY...

2013
Mauro Maccarrone

Male reproductive health is under threat from a range of environmental and lifestyle assaults, including endocrine disrupters, toxic pollutants, and ionizing radiations, as well as lifestyle factors such as sexually transmitted infections, alcoholism, smoking, and anabolic steroid use. The latest potential hazard in our modern lifestyle is the use of plant-derived cannabinoids present in hashis...

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