Current Fertility News and Events

Current Fertility News and Events, Fertility News Articles.
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Mail-in sperm testing system just as reliable in predicting male fertility as tests performed in clinic settings
Keck Medicine of USC study shows that semen can accurately be tested up to 52 hours after being collected, offering men greater flexibility in how they provide sperm specimens (2021-02-11)

Soil health is as environmentally important as air and water quality, say microbiologists
Healthy, sustainably managed soil is a critical ecosystem for continuous sustenance of plants, animals and humans globally. While the concept of 'soil health' still continues to evolve, the versatility of the concept allows its adoption by many stakeholders. (2021-01-26)

Childhood cancer survivors are not more likely to terminate their pregnancies
Study finds they have a reduced likelihood of becoming pregnant, however. (2021-01-25)

Competition among human females likely contributed to concealed ovulation
Humans are among the few species that lack overt physical indicators of female fertility. One explanation for concealed ovulation in human females is that hiding fertility from males helps females secure resources from males for raising children. A new model developed by a team of evolutionary scientists casts doubt on this idea, showing that females might have evolved to conceal ovulation from one another, not from males. (2021-01-25)

Research shows preference for male children is declining in Bangladesh
Research from the University of Kent has demonstrated a decline in 'son preference' by women of childbearing age in Bangladesh. However, the study also shows that fertility decisions are still influenced according to son preference. (2021-01-22)

Smithsonian scientists reduce uncertainty in forest carbon storage calculations
Helene Muller-Landau, staff scientist was invited to write an authoritative review about carbon storage in forests. Her team combed through existing studies and came up with some novel conclusions of their own. (2021-01-13)

Soil degradation costs U.S. corn farmers a half-billion dollars every year
One-third of the fertilizer applied to grow corn in the U.S. each year simply compensates for the ongoing loss of soil fertility, leading to more than a half-billion dollars in extra costs to U.S. farmers every year, finds new research from the University of Colorado Boulder. (2021-01-12)

Keeping sperm cells on track
Researchers point to a new mechanism underlying male infertility. (2021-01-07)

Fires, flooding before settlement may have formed the Amazon's rare patches of fertility
Phosphorous, calcium and charcoal in spotty patches of fertile soil in the Amazon rainforest suggest that natural processes such as fires and river flooding, not the ingenuity of indigenous populations, created rare sites suitable for agriculture, according to new research. (2021-01-04)

Researchers determine factors associated with ovary removal in patients with ovarian torsion
To determine the factors associated with an increased likelihood for ovary removal during the time of surgery for ovarian torsion, researchers from Boston University School of Medicine (BUSM), conducted a retrospective study of patients from a racially diverse, urban safety-net hospital with a diagnosis of ovarian torsion during a four-and-a-half-year period. (2020-12-18)

Men over 50 have same success with vasectomy reversal outcomes as younger men
In good news for older men, a new study from Keck Medicine of USC published in Urology shows that men over 50 who undergo a vasectomy reversal had the same rate of pregnancy with their partners as their younger counterparts. (2020-12-17)

Researchers find 'missing link'
Otago researchers have found the ''missing link between stress and infertility''. (2020-12-03)

Frozen eggs and ovarian tissue helped women conceive children after breast cancer
Women with breast cancer whose eggs or ovarian tissue were frozen had more children after their diagnosis than women who did not undergo fertility preservation using those methods before start of cancer treatment. That is according to a study by researchers at Karolinska Institutet in Sweden that is published in the journal JAMA Oncology. According to the researchers, the result highlights the importance of reproductive counseling and fertility preservation for women who are diagnosed with cancer at a young age. (2020-11-19)

Single-cell technique could provide 'egg health' indicators
Using the power of single-cell analysis, researchers at the Babraham Institute have assessed the effects of age on egg cells (oocytes) in mice, particularly looking to identify genomic and epigenetic factors that relate to reduced developmental competence. The knowledge uncovered by this research provides new insights into the mechanisms underlying egg quality and is relevant to the development of techniques to assess the quality of human egg cells, an area of growing importance as the use of fertility treatments increases. (2020-11-18)

Use of some contraceptives may temporarily delay a woman's fertility from resuming
Women who stop using some forms of contraception may have to wait up to eight months before their fertility returns, suggests research published online in The BMJ. (2020-11-11)

UC researchers pioneer more effective way to block malaria transmission in mosquitoes
Employing a strategy known as 'population modification,' which involves using a CRISPR-Cas9 gene drive system to introduce genes preventing parasite transmission into mosquito chromosomes, University of California researchers have made a major advance in the use of genetic technologies to control the transmission of malaria parasites. (2020-11-03)

Childlessness by circumstance
Why zebra finches have problems with reproduction. (2020-10-20)

How an egg cell's "operating manual" sets the stage for fertility
Recently published work from Carnegie's Allan Spradling and Wanbao Niu revealed in unprecedented detail the genetic instructions immature egg cells go through step by step as they mature into functionality. Their findings improve our understanding of how ovaries maintain a female's fertility. (2020-10-08)

Pregnancy complications linked to heightened risk of heart disease and stroke in later life
Pregnancy complications such as miscarriage, pre-eclampsia, diabetes in pregnancy (gestational diabetes) and pre-term birth are linked to a heightened risk of heart disease in later life, suggests an overarching (umbrella) analysis of data published by The BMJ today. (2020-10-07)

Chromosome defects seen from over-exchange of DNA in sperm and eggs
The exchange of DNA between chromosomes during the early formation of sperm and egg cells normally is limited to assure fertility. But when there are too many of these genetic exchanges, called crossover events, the segregation of chromosomes into eggs is flawed, say biologists who combined on a basic science project done across three labs at the University of Oregon and Northwestern University. (2020-10-07)

Research identifies sperm biomarker associated with couples' pregnancy probability
Researchers at the University of Massachusetts Amherst have identified a single-measure biomarker in sperm mitochondrial DNA that may predict male reproductive health and pregnancy success. (2020-10-06)

Women could conceive after ovarian tumors
Women receiving fertility-sparing surgery for treatment of borderline ovarian tumours were able to have children, a study from Karolinska Institutet in Sweden published in Fertility & Sterility shows. Natural fertility was preserved in most of them and only a small proportion required assisted reproductive treatment such as in vitro fertilization. Survival in the group was also as high as in women who had undergone radical surgical for treatment of similar tumours. (2020-09-25)

Suspension of fertility treatments during COVID-19 has mental health impacts
The suspension of fertility treatments due to the COVID-19 pandemic has had a variety of psychological impacts on women whose treatments were cancelled, but there are several protective factors that can be fostered to help in the future, according to a new study by Jennifer Gordon and Ashley Balsom of University of Regina, Canada, published 18 September in the open-access journal PLOS ONE. (2020-09-21)

Study quantifies Saharan dust reaching Amazon
MIAMI--A new study by researchers at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science and ATMO Guyane quantified the amount of Saharan dust reaching the Amazon to better understand how dust could impact soil fertility in the region. Intense tropical weathering and local biomass burning have both contributed to nutrient-poor soil in the Amazon Basin. (2020-09-17)

Sugar promotes sperm longevity in pig reproductive tract
For many livestock species, artificial insemination (AI) is standard. But it can be tricky to achieve success the first time, thanks to variability in ovulation timing across the herd. A new University of Illinois study identifies a naturally occurring sugar that slows the maturation of sperm in pigs, opening up the possibility of extending sperm storage time within the female reproductive tract and increasing the chances of successful fertilization through AI. (2020-09-17)

Artificial intelligence system developed to help better select embryos for implantation
Investigators from Brigham and Women's Hospital and Massachusetts General Hospital are developing an artificial intelligence system with the goal of improving IVF success by helping embryologists objectively select embryos most likely to result in a healthy birth. (2020-09-15)

Gene-edited livestock 'surrogate sires' successfully made fertile
For the first time, scientists have created pigs, goats and cattle that can serve as viable 'surrogate sires,' male animals that produce sperm carrying only the genetic traits of donor animals. The advance could speed the spread of desirable characteristics in livestock and improve food production for a growing global population. (2020-09-14)

The birth of a male sex chromosome in Atlantic herring
The evolution of sex chromosomes is of crucial importance in biology as it stabilises the mechanism underlying sex determination and usually results in an equal sex ratio. An international team of scientists, led by researchers from Uppsala University, now reports that they have been able to reconstruct the birth of a male sex chromosome in the Atlantic herring. The male-specific region is tiny and contains only three genes: a sex-determining factor and two genes for sperm proteins. (2020-09-09)

How birth control, girls' education can slow population growth
Education and family planning have long been tied to lower fertility trends. But new research from the University of Washington analyzes those factors to determine, what accelerates a decline in otherwise high-fertility countries. (2020-09-08)

Sex cells have a sweet tooth, and they pass it on to the brain
Scientists discover that a small group of sex cells instruct a fundamental behavioural change in the female fruit fly - developing a sweet tooth. These findings prompt new investigation into dietary strategies for preventing age-related fertility decline and cancer. (2020-08-31)

Genetic mutations may be linked to infertility, early menopause
A new study from Washington University School of Medicine in St. Louis identifies a specific gene's previously unknown role in fertility. When the gene is missing in fruit flies, roundworms, zebrafish and mice, the animals are infertile or lose their fertility unusually early but appear otherwise healthy. Analyzing genetic data in people, the researchers found an association between mutations in this gene and early menopause. (2020-08-31)

Genetic link between cattle temperament and autism
Researchers have discovered that cattle share an overlap of genes with humans that are critical in brain function and response to fear stimuli. The results open the way for research conducted on behavioural traits in humans to shed further light on temperament in cattle. The study confirms that temperament has a significant genetic basis in cattle - around 35 per cent - and it is the first time a whole genome sequence has been used to analyse temperament in cattle. (2020-08-27)

Age-appropriate contraception counseling helps health care providers educate teens
Preventing unplanned pregnancies in adolescents with effective and easy-to-use contraception is key to ensuring that adolescents do not become parents before they are ready. Adolescents view their health care providers as trusted sources of medical information. Thus, providers are tasked with providing adolescent patients with comprehensive, age-appropriate and nonjudgmental contraception counseling. (2020-08-27)

Crossbreeding of Holstein cows improves fertility without detriment to milk production
Genetic selection programs in the United States and elsewhere have emphasized milk production at the expense of other traits. Attention has turned to improving these neglected traits for better overall well-being of cows and to ameliorate dairy producers' profitability. In a recent article appearing in the Journal of Dairy Science, scientists from the University of Minnesota examined the effects of crossbreeding on fertility and milk production across three generations in a large sample of Holstein and crossbred cows. (2020-08-24)

Unconventional farming methods could help smallholders fight back against climate change
New research from Ghana shows less popular methods of biochar application are more effective in promoting cowpea growth and yield. Cowpea is widely cultivated in sub-Saharan Africa and in warm regions around the world. The crop is an important source of human food, livestock feed, and green manure, and generates income for smallholder farmers. It is valued for its ability to boost soil fertility by fixing nitrogen. (2020-08-24)

How human sperm really swim: New research challenges centuries-old assumption
A breakthrough in fertility science by researchers from Bristol and Mexico has shattered the universally accepted view of how sperm 'swim'. (2020-07-31)

Fertility is likely to decline in the wake of the COVID-19 pandemic, a new study finds
Fertility is likely to decline in the wake of the Covid-19 pandemic, a new Bocconi University study finds (2020-07-23)

Label-free imaging helps predict reproductive outcomes
Researchers at the University of Illinois at Urbana-Champaign have used a combination of label-free imaging and artificial intelligence to determine the potential fertility of sperm samples in cattle. The technique may help improve assisted reproductive technology in humans. (2020-07-20)

Healthy offspring from testicular tissue plantation in mice: Retinoic acid key
Germ cell depletion in recipient testis has adverse effects on spermatogenesis in orthotopically transplanted testis pieces via retinoic acid insufficiency. Repetitive RA administration significantly improved donor spermatogenesis to produce healthy offspring. (2020-07-16)

New test offers clarity for couples struggling to conceive
A male fertility test based on Cornell research could help predict which men might need treatment and which couples might have success with different forms of assisted reproduction. (2020-07-16)

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