Tag: "fertility" at biology news
Project to intensify agricultural production in Great Lakes -- Africa's most impoverished region
...ion. Farmers will be trained in integrated soil fertility
managementthe use of mineral fertilizers along wit...most comprehensive effort to address Africa's soil fertility
crisisthe Africa Fertilizer Summitwas held June 9-13 in Abuja, Nigeria. Leading African and internat...
Experts advise world policies to cope with causes, rising consequences of creeping desertification
...created in part to help address the potential soil fertility
catastrophe on the African continent but the problem demands a much greater level of effort from the international community than that underway. It is a critical part of the answer to creeping desertification and world hunger." Environment-related...
Sex ends as seasons shift and kisspeptin levels plummet
...has one. It is interesting to note the CDC reports fertility
rates in the United States decrease rapidly in autumn. The phenomenon is particularly clear-cut among Caucasians, believed to have originated in more temperate climes. KiSS-1 and kisspeptin were not named whimsically. They were originally associat...
UCR researchers examine how some invasive plants gain a foothold
...nt to reproduce researchers wanted to know if its fertility
would be impacted by population size and the degree to which the mating pairs were genetically related. They found that, as with humans, mates were harder to find in smaller populations and most likely to be compatible if unrelated. "We call this ...
Cypress replanting unsuccessful without dual cultivation with lavender or mycorrhizal fungi
... islands generated, which eventually increases the fertility
of the whole of the terrain involved. It therefore creates conditions that encourage growth of the planted cypress, stabilizing the soil as it does so by its roots. Increased understanding of the process of natural regeneration of cypress trees has...
Africa's farmers will have room to grow
...able rainfall, recurring drought, and loss of soil fertility
have all made the maize harvests in Africa uncerta...articular crops which contribute to restoring soil fertility
and enhancing incomes. In either case the farmers overall risk is lessened and life and livelihoods ...
Timing is everything
...y SHP merits to be explored in human subjects with fertility
Standard therapy more effective than diabetes drug in helping women with PCOS achieve pregnancy
...ndrome (PCOS), is less effective than the standard fertility
drug treatment, clomiphene, according to researche... with the drug clomiphene, could result in greater fertility
rates for PCOS patients than could clomiphene alone. Clomiphene fosters ovulation by stimulating th...
Plastics in common household items may cause fertility defects
...male reproductive tract development and the future fertility
of female fetuses the mother is carrying. The study was conducted on pregnant female mice by administering a range of doses of BPA on days 9-16 of their pregnancies. The aim was to see what interaction BPA would have with the HOXA10 gene, which is...
It's not easy being green
...t of organic matter in the soil, which reduces the fertility
of the soil over time. "We need to carefully consider and intelligently manage the entire ethanol production system for long-term sustainability not just focus on pieces of the system," Dale said. "Ethanol is and will be a critical part of reducin...
Mouse stem cell line advance suggests potential for IVF-incompetent eggs
...l Press. Human IVF is now routinely practiced in fertility
clinics, but a proportion of oocytes fail to become fertilized in these procedures. In the new work, researchers examined the ability of day-old mouse oocytes that fail to become fertilized in vitro"aged, fertilization-failure" (or AFF) oocytesto suc...
New research finds that a natural family planning method is as effective as the contraceptive pill
...ant professor and managing director of the natural fertility
section in the Department of Gynaecological Endocr...cceptable method of family planning. A number of fertility
awareness based (FAB) methods of family planning have been advocated over the years, but comparisons...
Eating ice cream may help women to conceive, but low-fat dairy foods may increase infertility risk
...s. "Clarifying the role of dairy foods intake on fertility
is particularly important since the current Dietary Guidelines for Americans recommend that adults consume three or more daily servings of low-fat milk or equivalent dairy products: a strategy that may well be deleterious for women planning to become...
A key to male fertility
...g pathways controlled by SHP in men suffering from fertility
disorders. Puberty is the result of endocrine al...ving the production of sperm in men suffering from fertility
disorders. Further research is vital if we are to understand the overall mechanisms involved in se...
Too much weight spells double trouble for couples trying to conceive
...ularly in parts of the world where obesity and low fertility
were, or would become, more common. If overweigh... research has already shown that weight can affect fertility
in both women and men, individually. However, this is the first study to look at the effect on ferti...
Researchers find gene mutation that causes infertility in male mice
...infertility. While most studies on the genetics of fertility
stem from analyses of mice that have had a custom ...ct to identify ultimately all the genes needed for fertility
in mice and apply this information to the human situation....
Early-stage sperm cells created from human bone marrow
...o say if it has potential applications in terms of fertility
treatments in humans. Prof Nayernia gained worldwide acclaim in July 2006 when he announced in the journal Developmental Cell that he and colleagues had created sperm cells from mouse embryonic stem cells and used these to fertilise mice eggs, resu...
First systematic study of China's one-child policy reveals complexity, effectiveness
... 2007 The first systematic examination of China's fertility
policy and practice reveals that, despite governme...ited States and China, is the first to use data on fertility
policy and population growth collected from 420 Chinese prefectures (districts comparable to U.S. co...
Many couples choose to donate surplus embryos for stem cell research
...at, of 400,000 embryos stored at that time in U.S. fertility
clinics, less than 3% were available for research purposes. However, that study was primarily designed to quantify the number of frozen embryos via questionnaires sent to couples before or shortly after their IVF cycles. In the current study, the c...
First research to show that diabetes damages DNA in men's sperm and may affect fertility
...abetic status of their patients when investigating fertility
problems."  Dr Agbaje and his colleagues exam...elming evidence that sperm DNA damage impairs male fertility
and reproductive health. Other studies have already shown that, while the female egg has a limited a...
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