Articles tagged with Infertility
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A research team has identified eleven novel factors essential for mouse zygote development, which modulate embryonic development through precise mechanisms. These findings suggest the existence of previously unrecognized regulatory factors and indicate potential for molecular-level control of embryo development.
Researchers found that over half of IVF cycles in the US were performed at clinics affiliated with private equity firms, sparking concerns about the impact on quality and accessibility. The study's authors emphasize the need for further research to understand the benefits and risks of this business model.
A Chinese-led study maps the evolving global burden of infertility, revealing a sustained increase in global prevalence and years lived with disability among women. The study also finds that later marriage and childbearing contribute to the elevated infertility burden, while sociocultural factors lead to higher detection rates in women.
Researchers have discovered a key protein structure in the germ cells of male mice that causes deformations in sperm flagellum leading to infertility. The study used ultrastructure expansion microscopy to visualize the centriole, a tiny cylindrical structure critical for sperm movement.
Researchers have discovered that optical genome mapping can reveal hidden causes of pregnancy loss, including chromosomal changes in genes known to be linked to recurrent pregnancy loss. The study found structural changes in the genome that were missed by traditional genetic sequencing methods.
Researchers at Columbia University have successfully used an AI-guided sperm recovery method to help a man with azoospermia become pregnant. The STAR method combines advanced imaging technology and microfluidics to identify and isolate rare sperm cells, overcoming long-standing barriers in treating men with infertility. Larger clinical...
Researchers at Karolinska Institutet identified four distinct subgroups of PCOS, showing clear differences in pregnancy rates and metabolic complications. These findings could lead to more tailored treatments for women with the disease.
The European Society of Endocrinology has published a new Clinical Practice Guideline for the Management and Evaluation of Menopause and the Perimenopause. The guideline provides guidance on evaluating and managing women with menopause-related symptoms, including hormone therapy benefits and risks. It also discusses alternative treatme...
Researchers from the University of Osaka have identified a crucial protein, TMEM217, that regulates sperm movement. By restoring the signal, they successfully treated immotile sperm and enabled them to fertilize eggs in vitro, leading to healthy births.
Researchers at The University of Osaka developed an mRNA therapy that restored sperm production and achieved the birth of viable offspring in a mouse model. This treatment showed promise for treating non-obstructive azoospermia, a genetic condition causing male infertility.
A recent study published in Oncoscience found that lifestyle choices and hormonal imbalances significantly impact male fertility in Indian men. The research discovered a strong association between poor habits such as tobacco and alcohol use, heat exposure, and body weight with lower semen quality and higher DNA damage.
Researchers at Aarhus University used mini-organs to show that cervical epithelial cells actively detect and combat infections, with uninfected cells becoming immune-active. This discovery opens opportunities for mucosal vaccines and targeted treatments against STIs and infertility.
Researchers at Stowers Institute for Medical Research have identified the precise location where human chromosomes break and recombine to form Robertsonian chromosomes. The study reveals that repetitive DNA sequences play a central role in genome organization and evolution, explaining how these rearrangements form and remain stable.
The global impact of IVF continues to grow, with estimated 20 million IVF births worldwide, increasing the demographic importance of fertility needs. IVF has become a more effective route to parenthood for those previously unable to conceive.
A poet's extensive rewrites in Dannie Abse's 1980 autobiography 'A Matter of Life' gave the narrative an emotional storytelling tone, highlighting the human stakes of IVF. The book's commercial success helped promote IVF at a time when the technique was controversial.
The study found that a specific spinal circuit is involved in both ejaculation and arousal, and integrates sensory inputs to adjust its output based on the animal's internal state. The researchers also discovered that Gal⁺ neurons receive sensory input from the penis and can trigger ejaculation, but their effects are suppressed by brai...
A review of hundreds of studies found a link between childhood plastic exposure and long-term health concerns like heart disease, obesity, and asthma. Parents can take simple steps to limit their children's plastic exposure, such as replacing plastic containers with glass or stainless steel.
Human oocytes mature without centrosomes, relying on microtubule organizing centers (MTOCs) to assemble spindles. Researchers reveal key factors required for MTOCs maturation and its importance in oocyte development and fertility.
A study using anonymized patient records from UC health centers found over 600 correlations between endometriosis and other conditions, including infertility, autoimmune disease, and certain cancers. The research supports the growing understanding of endometriosis as a multi-system disorder.
A study published in The EMBO Journal found that human eggs deliberately slow their internal waste disposal systems to maintain low metabolism and reduce damage. This minimalist strategy helps the cells stay pristine for decades, potentially leading to improved IVF success rates.
Recent studies show chlorpyrifos exposure impairs spermatogenesis by compromising blood-testis barrier integrity, disrupting Sertoli cell junctional function and inducing ferroptosis. Chlorpyrifos primarily metabolite TCP triggers clockophagy-mediated ferroptosis in Sertoli cells.
A landmark 30-year study of over four million women in England found that women with endometriosis-associated infertility had a four times higher chance of conception compared to those with infertility from other causes. The study also showed that women with endometriosis may retain good reproductive potential, especially if diagnosed ...
A new study from Fox Chase Cancer Center researchers found that implementing a Best Practice Advisory in the electronic medical record system increased oncofertility referrals by 450%. This led to 14 successful fertility preservation cases within six months, compared to just 22 in the previous five years.
A new study reveals that BCAA supplements popular with male bodybuilders may impact their fertility, causing changes in sperm concentration and decline in fertility. Valine, a key BCAA, has a powerful effect on male reproductive function.
Researchers developed tiny human ovary organoids using stem cells to understand gonad development and disease. The models replicate key aspects of ovarian follicles, offering a powerful platform for studying gene function in a controlled environment.
Research shows that low phosphate levels in blood are associated with reduced sperm motility and poor semen quality. The findings suggest a potential link between phosphate and male fertility, highlighting the importance of understanding biological factors involved in reproductive health.
A meta-analysis of 21 studies involving over 178,000 women found that those with infertility history have a 14% increased risk of heart or blood vessel conditions, as well as higher risks of heart disease and stroke. Younger women and those undergoing fertility treatments are at greater risk.
Research finds high levels of phthalates in mothers' urine associated with shorter anogenital distances in 3-year-old boys and girls, a marker of reproductive health and hormone disruption. The study emphasizes the need for preventive measures to protect vulnerable groups from endocrine-disrupting chemicals.
The event aims to create a positive scientific and policy legacy from the Congress in Denmark, Europe, and internationally. The conference will focus on key research presented at the Joint Congress and future priorities from the EndoCompass Research Roadmap.
Researchers at the University of Montreal have found that guinea pigs can serve as a reliable and robust small animal model to study human preimplantation development. The study provides new insights into the development of healthy embryos and fetuses, which could lead to improved fertility treatments and reproductive technologies.
Researchers at CRCHUM used single-cell RNA sequencing to study guinea pig pre-implantation development, finding striking similarities with early human embryogenesis. The discovery opens new possibilities for understanding women's infertility and developing therapeutics for healthy pregnancy.
Endometriosis is a painful and infertility-Linked condition that affects millions of women worldwide. New research by MSU professors identifies key cellular cross-talk that could lead to better non-hormonal treatments.
Researchers found that selfish genes use self-assembly properties to harm cells, with aggregate size and distribution being key factors in toxicity. The study also reveals an evolutionary arms race between sabotage and salvation, where rapid evolution of 'selfish' genes can lead to their own destruction.
A genetic mutation in mice reveals the crucial role of intercellular bridges in meiosis, a specialized cell division process that creates sperm. The study's findings may lead to new treatments and male contraceptives for infertility.
A large study of nearly 80,000 men found that those with better semen quality lived two to three years longer than those with poorer semen quality. The research suggests that poor semen quality may be an indicator of underlying health issues, and could potentially detect early signs of disease.
Low-dose microplastic exposure leads to abnormal reproduction in females, characterized by oocyte meiotic maturation defect and H4K16 hyperacetylation. HDAC3 insufficiency is proposed as a key mechanism underlying this toxicity.
Researchers at the University of Montreal Hospital Research Centre discovered that sister cells in mouse embryos can communicate through a stable cytoplasmic bridge, leading to coordinated cell death. This mechanism may help eliminate defective or unneeded cells, improving fertility and developmental processes.
Finnish researchers found pituitary macrophages regulate hormonal balance and may be used to treat endocrine disorders. Macrophages have a local effect on hormone secretion, decreasing when removed.
A recent study found that autophagy, a natural defense mechanism in cells, is less efficient in female eggs with moderate or severe DNA damage. Boosting autophagy can improve egg quality and reduce the risk of miscarriage and birth defects. The study's findings offer new directions for improving reproductive health.
Researchers at McGill University found that a protein produced in muscles helps manage the release of follicle-stimulating hormone (FSH), which promotes egg maturation. Lowering myostatin levels delayed puberty and reduced fertility, while restoring it boosted FSH levels.
A systematic review of 24 studies suggests resveratrol can enhance the quantity and quality of egg cells, called oocytes. The compound may also treat infertility related to endometriosis and obesity.
A research team at the Francis Crick Institute has identified critical genes on the Y chromosome that play a role in male fertility in mice. The study found that multiple Y genes work together to regulate sperm production and motility, with some genes having a cumulative effect when removed individually.
A deficiency of TLE6 protein, associated with female infertility, was also linked to abnormal sperm morphology and reduced motility in male mice. The study suggests that TLE6 plays a crucial role in energy production in sperm cells.
A new national survey by Orlando Health finds that 56% of Americans are unaware that bariatric surgery is an effective way to improve fertility. Bariatric surgery has been shown to regulate hormones and normalize menstrual cycles, increasing a woman's chances of conception. The study highlights the connection between obesity and infert...
Klinefelter syndrome, a common genetic condition affecting one in every 600 men, often leads to infertility due to an extra X chromosome. A recent study by Peking University researchers reveals that the presence of the extra X chromosome disrupts biological pathways and prevents cells from maturing properly.
A review of 3,000 studies suggests microplastics in the air may cause serious health problems, including colon cancer, poor lung function, and infertility. The tiny plastic particles are believed to contribute to chronic pulmonary inflammation, increasing the risk of lung cancer.
Researchers have developed a magnetically driven robotic microscrew to treat fallopian tube blockages, offering a potentially less invasive alternative to traditional surgical methods. The microrobot successfully clears simulated blockages and demonstrates both effectiveness and efficiency in clearing debris.
A clinical trial led by University of Oklahoma Health Sciences is investigating a new device designed to restore ovulation in women with polycystic ovary syndrome (PCOS)-related infertility. The REBALANCE trial aims to assess the safety and effectiveness of the device, which uses electrothermal energy to prompt ovulation.
Women with infertility are at higher risk of developing SARD, including lupus and Sjögren's syndrome, even after accounting for pre-eclampsia and other pregnancy complications. Infertility treatments do not appear to increase this risk, suggesting that women may be undiagnosed or untreated.
Researchers have uncovered a mechanism by which the BRCA1 gene influences fertility, leading to genetic errors that can cause infertility. This breakthrough discovery enables potential therapeutic avenues for correcting or treating fertility issues in BRCA1 patients.
Researchers seek to identify Hispanic women at risk of developing chronic diseases through early screenings or interventions, aiming to improve health outcomes for millions in the population.
Research found that babies conceived through assisted reproductive technology have a 36% higher risk of major heart defects compared to naturally conceived babies. The study also showed that multiple births are associated with an even greater risk of congenital heart defects.
Researchers from Kumamoto University discovered that prostaglandin receptors in the uterus enhance decidualization, a crucial process for successful pregnancy. This finding opens the door to developing new fertility treatments targeting these receptors.
Researchers discovered a novel treatment that extends ovarian function in older mice by improving maintenance of the ovaries and preventing key age-related changes. The treatment also fixes hormone production and overall health, alleviating symptoms such as bone loss, cardiovascular disease, and cognitive decline.
A Danish study found long-term exposure to air pollution and road traffic noise increases the risk of infertility in both men and women. Men exposed to higher levels of PM2.5 had a 24% increased risk of infertility, while women over 35 years old exposed to louder road traffic noise had a 14% increased risk.
A uterus transplant was successfully performed on women with absolute uterine-factor infertility, resulting in a high live birth rate. However, the procedure was also associated with significant medical and surgical risks for both recipients and donors.
Researchers developed an AI prediction model that can identify male infertility risk without semen analysis, using hormone levels in a blood test. The model achieved an accuracy rate of approximately 74% and was particularly accurate in predicting non-obstructive azoospermia, the most severe form of male infertility.
A new study has found that women with a family history of endocrine diseases, including type 2 diabetes and polycystic ovary syndrome, are at a higher risk of experiencing pregnancy loss. The study, which examined over 366,000 women in Denmark, found a significant association between endocrine disease and pregnancy loss.
A novel 3D imaging model has been introduced to identify features of blastocysts associated with successful pregnancies, potentially transforming current IVF selection methods. The study found that parameters related to size and specific features of the inner cell mass and outer layer are linked to higher pregnancy rates.
A national, register-based study of 68,738 women in Denmark reveals significant social disparities in achieving live births after assisted reproductive technology (ART) treatment. Women with higher education levels and income had a greater likelihood of success.