نتایج جستجو برای: fertility

تعداد نتایج: 49419  

2016
Didde Hoeg Lone Schmidt Kirsten T. Macklon

INTRODUCTION Fertility counselling for young women newly diagnosed with cancer is an important field of preconceptional counselling. This qualitative, small-scale study explored how young women newly diagnosed with cancer experienced specialized fertility preservation counselling and treatment in the public Danish health care system. METHODS Semi-structured, in-depth interviews were conducted...

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2016
Rebecca Sear David W Lawson Hillard Kaplan Mary K Shenk

Decades of research on human fertility has presented a clear picture of how fertility varies, including its dramatic decline over the last two centuries in most parts of the world. Why fertility varies, both between and within populations, is not nearly so well understood. Fertility is a complex phenomenon, partly physiologically and partly behaviourally determined, thus an interdisciplinary ap...

2007
M. Mazharul Islam Abdullah AI Mamun Radeshayam Bairagi

The recent decline in fertility in Bangladesh froin a total fertility rate of 6.3 children per women in 1975 to 3.5 in 1995 (MHPC, 1978:73; BBS, 1996) has created interest among researchers, policy makers and academicians. This is because such a dramatic change in fertility has occurred without a substantial improvement in socio-economic status, health conditions and otlier factors thought to b...

Journal: :Theriogenology 2005
Bruce E Eilts

Evaluation of canine cryopreserved semen has the ultimate goal of determining if an individual frozen ejaculate will have acceptable fertility. This is difficult in that there is no accepted normal fertility for the dog. The fertility of the female also plays a crucial role in estimating the fertility of the male. Poor female fertility can make a fertile male appear less fertile. Variability of...

2014

IMPACT OF ENDOGENOUS SLAVE FERTILITY The fertility of household slaves was not entirely outside the control of the slaveowner. Slaveowners influenced slave fertility using a variety of methods, and it is therefore inappropriate to view slave fertility as an entirely exogenous event. A valid instrument for slave fertility is not readily apparent. Under the assumption that slave fertility is corr...

2002
Mohammad Jalal Abbasi-Shavazi

This paper briefly reviews population policy changes and fertility trends over the last three decades, puts forward some possible explanations behind the fertility transition in Iran, and finally speculates about the future of fertility for the coming decades. Among the questions to be answered in this paper are: what are the recent changes of Iranian fertility? Will Iran follow the patterns ex...

Journal: :iranian journal of applied animal science 2011
g.n. akpa m.l. umar c. alphonsus

this study had the objective of determining the fertility and calving ease of small holder indigenous cattle herds inseminated with imported semen from proven sires. sixty one indigenous cows of different breed origin (bunaji, sokoto gudali and rahaji) were selected from different herds across jigawa state-nigeria, and were used for this study. the selected dams were inseminated with semen from...

Journal: :journal of chemical health risks 0
jalaleddin gouyandeh young researchers and elite club, najafabad branch, islamic azad university, najafabad, iran mehrdad modaresi department of animal science, faculty of agriculture, islamic azad university, khorasgan branch, isfahan, iran sara mansouri department of animal science, faculty of agriculture, islamic azad university, khorasgan branch, isfahan, iran fahimeh yaghoubieh najafabadi department of medicine, najafabad branch, islamic azad university, najafabad, iran

recent studies show that synthetic glucocorticoids alter testicular homeostasis, in this regard, the influence of betamethasone as a glucocorticoid widely used on histological changes, epididymal sperm counts and fertility was explored in male mice. the study sample (50 mice) was allocated to 3 treatment groups, placebo and a control group. control group was no injected. only normal saline was ...

Journal: :avicenna journal of phytomedicine 0
fatemeh nozhat department of biology, payame noor university (pnu), iran sanaz alaee department of reproductive biology, school of advanced medical sciences and technologies, shiraz university of medical sciences, shiraz, i. r. iran khodabakhsh behzadi department of biology, sciences and research branch, islamic azad university, tehran, i. r. iran najmeh azadi chegini biology group, department of education, fars, i. r. iran

objective: in this study we investigated the effects of spearmint (mentha spicata labiatae) on the reproductive system, fertility and number of offspring in adult male rats. materials and methods: adult wistar male rats in one control (c) and three experimental groups (i, ii and iii) received 0, 10, 20 and 40 mg/kg spearmint extract orally for 45 days, respectively.  following this treatment, t...

Journal: :iranian journal of public health 0
sara emam gholipour sefiddashti enayatollah homaie rad mohammad arab shima bordbar

background: female labor supply has been changed dramatically in the recent yr. in this study, we examined the effects of development on the relationship between fertility and female labor supply. methods: we used data of population and housing census of iran and estimated three separate models. to do this we employed logistic regressions (blr). results: the estimation results of our study show...

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