نتایج جستجو برای: paternal age

تعداد نتایج: 762716  

2012
Mats Ek Susanne Wicks Cecilia Magnusson Christina Dalman

The association between advancing paternal age and increased risk of schizophrenia in the off-spring is well established. The underlying mechanisms are unknown. In order to investigate whether the psychosocial environment associated with growing up with an aged father explains the increased risk we conducted a study of all adoptive children in Sweden from 1955-1985 (n =31 188). Their risk of de...

2014
Saad Alshahrani Ashok Agarwal Mourad Assidi Adel M Abuzenadah Damayanthi Durairajanayagam Ahmet Ayaz Rakesh Sharma Edmund Sabanegh

BACKGROUND The effect of paternal age on semen quality is controversial. In this retrospective study, the aim was to investigate the effects of advancing age on sperm parameters including reactive oxygen species (ROS), total antioxidant capacity (TAC) and sperm DNA damage in infertile men. We also examined whether paternal age >40 y is associated with higher risk of sperm DNA damage. METHODS ...

Journal: :European Journal of Public Health 2013

Journal: :Asian journal of andrology 2012
Zofnat Wiener-Megnazi Ron Auslender Martha Dirnfeld

Women have been increasingly delaying the start of motherhood in recent decades. The same trend is seen also for men. The influence of maternal age on fertility, chromosomal anomalies, pregnancy complications, and impaired perinatal and post-natal outcome of offspring, has been thoroughly investigated, and these aspects are clinically applied during fertility and pregestational counseling. Male...

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