Studies of the causes of fertility levels and their changes often seek to measure directly the impact of socioeconomic factors on fertility. Such procedures have a broad appeal to policymakers, offering as they do to pinpoint mechanisms susceptible to manipulation by official policy. Despite this appeal, such approaches are considerably more problematical in their application. Not infrequently,...

Since the early 60s, in our lab we sought useful correlations of seminal traits and fertility in order to ultimately predict the reproductive outcome of bovine semen used in artificial breeding or the fertility of a specific male under natural service. Despite these efforts, to this day we can only account for approximately 50-60% of the variation in fertility among males by measuring seminal t...

Background: Infertility is a serious medical problem with effects on quality of life Various factors such as social-demographic factors, cognitive perceptions and coping strategies can affect emotional reactions to infertility and its treatment. Objectives: This study aims to identify Fertility quality of life (Fertiqol) of infertile couples and the role of coping strategies, duration and caus...

in recent years, performance gap between private and public sector has affected researchers of public administration to pay attention to the concept of public service motivation. present research has been accomplished aiming at improving public service motivation among employees of public sector and is intended to identify effective factors on public service motivation. for this reason, 196 peo...

infertility is believed to be part of the various medical problems that has increased up to 50% since 1955 in the world and 10-15% of couples are already suffering from it. development of industrialization and urbanization in human societies have dramatically changed the human life style and led gradually to the increase of various environmental risk factors. humans are exposed to polluted air,...