نتایج جستجو برای: paternal factor
تعداد نتایج: 852445 فیلتر نتایج به سال:
background: infertility is a health problem which affects about 10-20% of married couples. male factor infertility is involved approximately 50% of infertile couples. most of male infertility is regarding to deletions in the male-specific region of the y chromosome. objective: in this study, the occurrence of deletions in the azf region and association between infertility and paternal age were ...
Maternal obesity exerts negative effects on cognitive function and behavior of the offspring. In the present study, we assessed the effects of paternal physical exercise on spatial learning ability in relation with hippocampal neuroplasticity in the rat pups born from the obese maternal rats. There were four experimental groups: paternal nonexercised male pups from normal maternal rats, paterna...
OBJECTIVE It is well known that advancing paternal age is associated with an increased risk of schizophrenia in offspring, but the mechanism behind this association remains unknown. This study investigates if delayed fatherhood rather than advancing paternal age per se might explain the increased risk of schizophrenia in offspring associated with advancing paternal age. METHODS This is a regi...
The paternal transmission of environmentally induced phenotypes across generations has been reported to occur following a number of qualitatively different exposures and appear to be driven, at least in part, by epigenetic factors that are inherited via the sperm. However, previous studies of paternal germline transmission have not addressed the role of mothers in the propagation of paternal ef...
De novo cytogenetically balanced reciprocal non-Robertsonian translocations are rare findings in clinical cytogenetics and might be associated with an abnormal phenotype. Knowledge of the parental origin and mechanisms of formation is still limited. By microdissection of the derivative chromosomes and their normal homologs from metaphases followed by microsatellite-mediated marker analysis we i...
BACKGROUND The role of advanced maternal age as a risk factor for congenital malformations in offspring is known. However, the influence of paternal age is not clear. AIM To evaluate the association between advanced paternal age and the risk for congenital malformations. PATIENTS AND METHODS Analysis of maternal and paternal age of cases (malformed newborns) and controls from ECLAMC Databas...
Background & aim: Paternal-fetal attachment develops an emotional relationship between father and his infant which can affect their future interactions. Therefore, the present study aimed to determine the effect of attachment training on paternal-fetal attachment. Methods: This clinical trial was conducted in Karmandan and 22 Bahman health centers in Mashhad in 2015. The participants of the stu...
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