Showing 20 articles starting at article 1
Published What can bulls tell us about men? (via sciencedaily.com) Original source
Researchers have found genes in the reproductive organs of bulls that influence fertility. The findings can be transferred to humans, as these genes are also present in men.
Published Genetic cause of low birth weight among children conceived after fertility treatment (via sciencedaily.com) Original source
A medical researcher has identified a genetic cause for the increased risk of low birth weight in babies born following assisted reproductive technologies such as IVF.
Published How ovarian tissue freezing could prevent menopause -- possibly forever (via sciencedaily.com) Original source
A new paradigm around the biological processes of menopause is capturing the attention of scientists. The primary question: can menopause be delayed in healthy women, allowing them to extend their child-bearing years -- and perhaps even forestall some of the health risks and uncomfortable symptoms linked to plummeting estrogen levels?
Published Gene expression atlas captures where ovulation can go awry (via sciencedaily.com) Original source
An interdisciplinary collaboration used a cutting-edge form of RNA tagging to map the gene expression that occurs during follicle maturation and ovulation in mice.
Published Semen microbiome health may impact male fertility (via sciencedaily.com) Original source
A new study finds that a small group of microorganisms may be influencing sperm motility.
Published Surprise discovery: For most animals, sperm quality does not reduce with age (via sciencedaily.com) Original source
In humans, male fertility and sperm fitness decline with age, but scientists have made the surprising discovery that this pattern is not consistent in other animals. The team assessed the results of 379 studies which covered a wide range of animals, including mammals, insects, birds, and fish.
Published Aging mouse sperm affects MicroRNA, increasing the risk of neurodevelopmental disorders (via sciencedaily.com) Original source
Much is known about the added complication to pregnancy when it comes to the age of the mother, but recent studies show that the age of the father can also heighten the risk of neurodevelopmental disorders. A team of researchers has explored the impacts of paternal aging on microRNAs, the molecules that play a crucial role in regulating gene expression.
Published Infertility: Sperm need a breakthrough for fertilization (via sciencedaily.com) Original source
A new study identifies the defective function of CatSper, an ion channel controlling calcium levels in sperm, as a common cause of seemingly unexplained male infertility. CatSper-deficient human sperm fail to fertilize the egg, because they cannot penetrate its protective vestments. Thus far, this sperm channelopathy has remained undetectable. Scientists have unravelled CatSper's role in infertility using a novel laboratory test that identifies affected men.
Published Preconception stress may affect health of women undergoing fertility treatment (via sciencedaily.com) Original source
Stress during pregnancy is known to influence health outcomes, but a new study suggests that stress levels before pregnancy are also important to evaluate. Investigators analyzed the link between self-reported stress immediately before conception among women seeking fertility care and blood glucose levels, a marker of heart health. The team found that maternal stress during preconception was associated with higher blood glucose levels, especially among women using intrauterine insemination to conceive and women of higher socioeconomic status.
Published Nematode proteins shed light on infertility (via sciencedaily.com) Original source
Biologists developed a method for illuminating the intricate interactions of the synaptonemal complex in the nematode C. elegans. The authors identified a trio of protein segments that guide chromosomal interactions, and pinpointed the location where they interact with each other. Their novel method uses a technique known as genetic suppressor screening, which can serve as a blueprint for research on large cellular assemblies that resist traditional structural analysis.
Published Study on extremely preterm infants provides important healthcare knowledge (via sciencedaily.com) Original source
Infants born extremely prematurely need to get enrichment as an addition to breast milk. But does it make any difference whether the enrichment is made from breast milk or cow's milk when it comes to the risk of severe complications in children?
Published Brain cell discovery sparks hope for fertility treatments (via sciencedaily.com) Original source
Researchers have demonstrated how a specific type of neuron in the brain affects the release of hormones that control ovarian function in females. These findings could help researchers understand and treat reproductive disorders in both animals and humans.
Published How do painful fibroids grow? (via sciencedaily.com) Original source
Insights into how uterine tumors grow could give hope to millions of women who deal with painful fibroids.
Published Breastfeeding alters infant gut in ways that boost brain development, may improve test scores (via sciencedaily.com) Original source
Breastfeeding, even partially alongside formula feeding, changes the chemical makeup -- or metabolome -- of an infant's gut in ways that positively influence brain development and may boost test scores years later, suggests new research.
Published Mothers need more 'exclusive breastfeeding' support (via sciencedaily.com) Original source
Exclusive breastfeeding for the first six months of life is proven to protect both mother and child health. According to the World Health Organization (WHO), between 2015 and 2021, 48% of mothers exclusively breastfed, meaning that their babies were not given any other food or liquids. However, this figure is based on data collected from surveys which report what a child was given in the previous 24 hours. A research team has found that this '24-hour recall' method overestimates exclusive breastfeeding by about six times compared to a 'since-birth recall' method.
Published Having a C-section is related to difficulties with conceiving (via sciencedaily.com) Original source
Women who delivered their previous pregnancy by C-section spent a longer time trying to conceive their next pregnancy. Additionally, women who spent a longer time trying to conceive their current pregnancy were more likely to deliver by C-section. The authors concluded that differences in time spent trying to conceive are unlikely to be due to the surgical procedure itself.
Published Filling data gaps to assess the role of education in fertility decline (via sciencedaily.com) Original source
Researchers have introduced an innovative methodology for reconstructing data on fertility and education, particularly in developing countries with inconsistent or unreliable data sets.
Published How pre- and postnatal B-12 vitamins improve breast milk vitamin B-12 levels, which supports infant brain development (via sciencedaily.com) Original source
According to a new study B-12 vitamins increase the presence of the micronutrient in mothers' breast milk, which is especially helpful in countries where it can be difficult to eat what is needed for the body to produce B-12 naturally.
Published Exposure to air pollution in utero may affect reproductive system development (via sciencedaily.com) Original source
From invisible wafts of diesel exhaust to sun-choking plumes of orange smoke, air pollution is known to damage respiratory well-being. Now, research suggests another reason to hold our breath: Polluted air also may hurt reproductive health. In a study of air pollution data in relation to markers of reproductive development in infancy, Rutgers researchers found certain pollutants may negatively alter anogenital distance, a measure of prenatal exposure to hormones.
Published New study finds association between insecticide exposure and lower sperm concentration in adult men (via sciencedaily.com) Original source
Researchers have found in a new systematic review that there is a strong association between insecticide exposure and lower sperm concentration in adult men globally.