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Reproductive health news
Testosterone maxxing is all the rage—but when it comes to fatherhood, less might be more
Testosterone is having a moment. On social media, it's being lauded for everything from building muscle to gaining wealth and sexual dominance.
18 hours ago
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How severe illness during pregnancy sometimes alters neurodevelopment
Neurodevelopmental conditions, which include autism spectrum disorder, ADHD (attention-deficit/hyperactivity disorder) and more, affect around 10% of the American population. Despite their prevalence, it has remained difficult ...
Sep 3, 2026
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Uterine ion channels offer potential new target to delay preterm birth
Scientists have found that targeting a particular group of proteins in the uterus muscle (myometrium) can suppress human uterine contractions in laboratory studies and delay preterm birth in a preclinical model.
Sep 3, 2026
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Certain fertility treatments associated with Kawasaki disease risk in children
A large-scale study in Japan led by researchers from the University of Osaka and the Osaka Women's and Children's Hospital found that certain fertility treatments are associated with an increased risk of Kawasaki disease ...
Sep 3, 2026
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A decade without congenital syphilis: a Danish success story
Across Europe, cases of congenital syphilis nearly doubled in just one year, from 78 in 2023 to 140 in 2024, in 14 countries reporting data. In contrast, Denmark has marked 10 years without a single case of vertical syphilis ...
Sep 3, 2026
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Fertility may drive a woman's desire for luxury
Hormonal fluctuations associated with fertility are associated with a greater tendency for women to use conspicuous luxury symbols, potentially to be noticed by men, according to a study published in PLOS One by Aekyoung ...
Sep 2, 2026
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Painful periods during adolescence linked to symptoms years earlier
More than half of girls participating in the long-term U.S. Adolescent Brain Cognitive Development (ABCD) study developed painful periods (dysmenorrhea) by age 12 or 13, according to new research published in The Lancet Child ...
Sep 2, 2026
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Co-designed counseling improves postpartum contraceptive choices, but organizational barriers remain
Becoming pregnant again soon after giving birth is associated with risks for both mother and child. A study led by Karolinska Institutet and published in The Lancet Obstetrics, Gynecology & Women's Health shows that approaches ...
Sep 2, 2026
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High fertility costs push Americans abroad for IVF treatment
A growing number of Americans are looking abroad, particularly to Greece and Spain, to escape the high cost of fertility treatments in the U.S., where such procedures are often not covered by insurance. The treatments include ...
Aug 31, 2026
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Semen facilitates infection with mpox virus, study shows
The mpox virus used to be transmitted predominantly from animals to humans. In recent years, however, new virus variants have become increasingly capable of spreading from person to person. Researchers at Goethe University ...
Aug 31, 2026
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Poor diet may worsen genetic causes of male infertility, study finds
Lifestyle factors can worsen the effects of genetic causes of male infertility, finds new research that could help explain why men carrying similar genetic mutations often experience different levels of fertility impairment.
Aug 31, 2026
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Higher vitamin B12 levels in both parents associated with a lower risk of birth defects
A prospective cohort study quantifying the associations of parental vitamin B12 and red blood cell (RBC) folate with birth defects found that higher parental vitamin B12 before conception and higher maternal RBC folate concentrations ...
Aug 31, 2026
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AI spots at-risk pregnancies for earlier, more personalized prenatal care
Artificial intelligence (AI) may help identify women and babies at risk of serious health problems earlier in pregnancy, according to a new study analyzing data from more than half a million pregnancies across Sweden, Chile ...
Aug 27, 2026
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People say they would not want to test embryos for traits like low IQ. But if given the information, they act on it
A study of more than 2,000 people in the United States and China finds that the line between medical and nonmedical traits, which underpins rules on embryo testing in most countries, does not match public preferences.
Aug 26, 2026
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Stem cells derived from patient placentas reproduce preeclampsia features
A new model developed by researchers at Kumamoto University and collaborators from Tohoku University and Kyushu University could advance research into preeclampsia and other pregnancy complications. The team has developed ...
Aug 25, 2026
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A single genetic test can uncover causes of previously unexplained premature ovarian insufficiency
Premature ovarian insufficiency affects up to 3.5% of women and is an important cause of female infertility. However, in most cases, the underlying cause remains unknown. A recent study by researchers at the University of ...
Aug 25, 2026
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Novel stem cell platform improves study of endometriosis
Scientists led by Julie Kim, Ph.D., the Susy Y. Hung Research Professor of obstetrics and gynecology in the Division of Reproductive Science in Medicine, have developed a novel stem cell platform that provides a new way to ...
Aug 20, 2026
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Epilepsy drug taken by dad not associated with disorders in baby
Use of the antiseizure drug valproate by fathers before conception is not associated with neurodevelopmental disorders like autism or attention-deficit/hyperactivity disorder (ADHD) in their children, according to a new study ...
Aug 19, 2026
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New study identifies who is most likely to use whole systems traditional Chinese Medicine during IVF
A new study from University Hospitals Connor Whole Health and the UH Fertility Center identified factors associated with using Whole Systems Traditional Chinese Medicine (WS-TCM) during in vitro fertilization (IVF). WS-TCM ...
Aug 18, 2026
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Research reveals rural women in Queensland face fertility care barriers
Women in rural and remote Queensland are facing major barriers to fertility care that are making an already difficult fertility journey even harder, new James Cook University research has found.
Aug 17, 2026
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Could saunas and ice baths affect male fertility? Here's what the evidence says
The internet's obsession with "maxxing" has turned almost every aspect of self-improvement into a trend.
Aug 15, 2026
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Placental transport mechanism could guide safer biologic medicines during pregnancy
Biologic medicines have transformed the treatment of cancer, autoimmune diseases, migraine, inflammatory disorders and many other conditions. Yet their growing use among women of reproductive age constitutes a major clinical ...
Aug 14, 2026
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What happens when someone's chromosomes, sex hormones and body don't align?
I teach a university course called Hormones and Behaviour. What surprises students is that biological sex is not produced by a single switch. What surprises me is that many students have never been taught this before. It ...
Aug 14, 2026
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Pregnancy increases immune burden on women with arthritis and lupus
When a new life begins to grow in the mother's womb, the immune system must perform a demanding balancing act: It must tolerate the fetus, which is genetically half foreign, and at the same time protect the mother from infection. ...
Aug 13, 2026
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3D lifespan map suggests mouse ovaries keep a constant share of eggs primed
As mice age, their total egg reserve collapses around tenfold. Yet, according to a new study published in Nature Aging, the proportion of eggs in the brief window where a follicle is shifting from dormant to growing stays ...
Aug 12, 2026
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