نتایج جستجو برای: fertility factors

تعداد نتایج: 1120813  

Objective The success of assisted reproductive technology (ART) may be influenced by male and female lifestyle-related factors. The objective of this pilot study was to evaluate the feasibility of conducting a larger prospective cohort study, which will aim at determining the independent contribution of male and female lifestyle-related factors to ART success. The study was also designed to exa...

2012
Naim Jerliu Ervin Toçi Genc Burazeri Naser Ramadani Helmut Brand

BACKGROUND Kosovo is the newest state in Europe facing a particularly difficult socioeconomic and political transition. The available evidence on socioeconomic conditions and quality of life of elderly people in Kosovo is scarce notwithstanding the ageing trend due to lowering of fertility rates and a higher life-expectancy. In this context, the aim of our study was to assess the socioeconomic ...

Journal: :African health sciences 2015
Dawit Getnet Ayele

BACKGROUND The most important elements to determine the rate of population growth is fertility. Fertility is the main element to affect the welfare of mother. The survival of a child can be affected by high fertility and shorter birth intervals. METHODS For this study, the linear mixed model was used to determine factors affecting fertility status of women in Ethiopia. The 2011 Ethiopian demo...

2013
Jill Williams Latifat Ibisomi Benn Sartorius Kathleen Kahn Mark Collinson Stephen Tollman Michel Garenne

BACKGROUND Although there are significant numbers of people displaced by war in Africa, very little is known about long-term changes in the fertility of refugees. Refugees of the Mozambican civil war (1977-1992) settled in many neighbouring countries, including South Africa. A large number of Mozambican refugees settled within the Agincourt sub-district, underpinned by a Health and Socio-demogr...

Journal: :Theriogenology 2005
L Anel M Kaabi B Abroug M Alvarez E Anel J C Boixo L F de la Fuente P de Paz

Pregnancy rate following artificial insemination (AI) in sheep is variable depending on several factors. The Churra breed (milk breed of the North-West of Spain) yields lower fertility results compared with other local and European breeds (Manchega, Latxa, Merino, Lacaune, Sarde, etc.). In this work we studied the influence of many factors on the fertility of the Churra breed (insemination tech...

2002
Jean-Pierre Guengant

Fertility has declined very markedly in the majority of developing countries over the past thirty to forty years, and it continues to decline almost everywhere. As a result, fertility has reached very low levels in many countries. In addition, currently more than 40 per cent of the world’s population lives in countries with total fertility levels lower than 2.1 children per woman, the level tha...

Journal: :Demographic research 2012
Sarah R Hayford Victor Agadjanian

BACKGROUND Extensive research in both developed and developing countries has shown that preferences and intentions for future childbearing predict behavior. However, very little of this research has examined high-fertility contexts in sub-Saharan Africa. In particular, the factors that increase or decrease correspondence between fertility desires and behavior in these settings are not well unde...

Background & aim: The severe reduced fertility rate and growing increase of older population in Iran have led to economic and social consequences in the country. Therefore, the purpose of this study was to investigate the fertility motivations and some of its related factors in women of reproductive age referring to urban health centers. Methods: This cross-sectional study was performed on 450 ...

Journal: :Biotechnology in Animal Husbandry 2012

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