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Health News Results - 51

If you've had one baby through fertility treatment, your chances for a second success are good, a new study suggests.

Researchers analyzed data from more than 35,000 women in Australia and New Zealand who had a live baby after in vitro fertilization (IVF).

The women were treated between 2009 and 2013 and followed to 2015. Live births up to October 2016 were included in the ...

Listen up, guys: A healthy diet is good for your brain and heart, and also your sperm, new research suggests.

In a study of more than 2,900 Danish men, median age 19, those whose diet was rich in fish, chicken, vegetables, fruit and water had higher sperm counts than those who ate a "Western" diet rich in pizza, French fries, processed and red meats, snacks, refined grains, sugary be...

In what doctors call a breakthrough, a cancer patient in France gave birth to the first baby conceived from an immature egg that was matured in the laboratory, frozen, then later thawed and fertilized.

"We were delighted that the patient became pregnant without any difficulty and successfully delivered a healthy baby at term," said team leader Michaël Grynberg, head of reproduct...

Fresh donated eggs appear to be better for in-vitro fertilization (IVF) than frozen ones, a new study suggests.

Donor eggs provide the best chance of success for many women undergoing IVF, according to the authors.

But it wasn't clear whether using fresh or frozen donor eggs in IVF improves the chances of success, so a team from the University of Colorado and Duke University...

Should a dying man be allowed to let doctors harvest his sperm for possible use by strangers after death? Yes, say two medical ethicists in the United Kingdom.

Writing in an article published Jan. 20 in the Journal of Medical Ethics, Drs. Nathan Hodson and Joshua Parker said that such donations would be akin to the organ donor process.

"If it is morally acceptable th...

Couples struggling to get pregnant might want to add a little more fish in their diet, a new study says.

Young men who take fish oil supplements appear to have better sperm quality and higher testosterone levels than those who don't, as well as larger testicles, researchers report.

Although it wasn't tested as part of the study, all these male reproductive factors should lea...

Supplements containing zinc and folic acid don't appear to boost male fertility, a new study finds.

Despite marketing claims, these supplements don't improve pregnancy rates, sperm counts or sperm function, researchers say.

"Our results suggest that these dietary supplements have little to no effect on fertility and may even cause mild gastrointestinal symptoms," researche...

"Designer babies" aren't going to be a reality anytime soon, researchers say.

Concerns about genetically altering embryos to have desired traits have been around nearly as long as in vitro fertilization (IVF) and the technology to screen embryos have existed.

But while recent live births resulting from embryonic CRISPR gene editing have re-focused attention on the issue, the...

Undiagnosed chlamydia infection can harm male fertility, a new study suggests.

"Chlamydia infection has been associated with women's infertility but much less is known about its impact on male infertility, particularly if men do not experience symptoms, which is estimated to be in about 50% of cases," said study leader Ken Beagley, a professor of immunology at Queensland Universit...

No, you're not seeing double as often these days: After decades of rising, twin births are declining in the United States.

Twin birth rates had been on the rise for 30 years, but dropped 4% between 2014 and 2018, health officials said in a new U.S. government study. That's the lowest level in more than a decade. In 2018, there were 32.6 twins for every 1,000 U.S. births.

Could male infertility contribute to a higher risk for prostate cancer?

Yes, according to new Swedish research that suggests that men who become fathers through assisted reproduction treatments may be more likely to develop prostate cancer in midlife.

The conclusion follows a review of data collected by a Swedish national registry between 1994 and 2014. In all, 1 million chi...

Many people wait until they're older to have children, and that decision can raise the risk of problems like infertility and genetic abnormalities. But new research suggests there may be at least one benefit to having children later in life.

The study found that kids with at least one older parent were less likely to be defiant rule-breakers or physically aggressive.

"Older...

Doctors at the Cleveland Clinic announced that they've achieved a first in North America: delivering a baby from a uterus that had been transplanted from a deceased donor.

The healthy baby girl was delivered by C-section in June. This is only the second time such a delivery has happened worldwide, the first having occurred in Brazil in December.

"We couldn't have asked for a...

If you struggle with infertility, chances are you will be twice as likely to get treatment for the heartbreaking condition if you are white, college-educated or affluent.

So claims a new study that analyzed data from more than 2,500 women aged 20 to 44 who took part in the U.S. National Health and Nutrition Examination Survey between 2013 and 2016.

Nearly 12.5% of the wo...

The reality of humans getting reproductive help in space just got a little bit closer.

Scientists in Spain report frozen sperm samples subjected to space-like gravity conditions were as viable as those that remained on Earth, a finding that could eventually lead to sperm banks in space.

The results "open the possibility of safely transporting [sperm] to space and considerin...

The risk of a pregnancy-related type of heart failure is five times higher for women who undergo fertility treatment than those who conceive naturally, a new study says.

The condition is called peripartum cardiomyopathy (PPCM). It affects about 1 in 1,000 pregnant women worldwide and is life-threatening to the mother and baby.

This study included 111 women with PPCM and was ...

Just because a guy can make babies later in life doesn't mean it's risk-free.

The partners and children of men who become fathers at an older age are at increased risk for health problems, a new study finds.

"While it is widely accepted that physiological changes that occur in women after 35 can affect conception, pregnancy and the health of the child, most men do not realiz...

In vitro fertilization (IVF) is widely used in the United States to help infertile couples have children. But there are a number of things people should know when considering it, an infertility specialist says.

"Many factors … can affect the success of an IVF cycle, but many people view IVF as their safety net that ensures they can have a child anytime," said Dr. Rashmi Kudesia...

Polycystic ovary syndrome is a common cause of infertility and type 2 diabetes, but little is known about its origins. Now, new research suggests a gene involved in male hormone production plays a big role in the disorder's development.

"We're starting to make headway on what causes PCOS [polycystic ovary syndrome]. It's very frustrating for patients because it's poorly understood," ...

In the medical world of baby-making, males rule.

A new study finds that female obstetrician-gynecologists who specialize in reproductive endocrinology and infertility get paid far less than their male colleagues.

Researchers at the University of Colorado Anschutz Medical Campus note that far more women than men go into obstetrics-gynecology in the United States, but women ma...

Men who abuse hormones such as testosterone or steroids for bodybuilding can have declines in sperm and testosterone production, researchers say.

The good news: these changes seem to reverse once men stop hormone overuse.

While the use of nonprescribed male hormones (androgens) has surged in many wealthy countries, there has been little research into their effect on men's r...

Add one more issue to the growing list of harms from opioid abuse: Long-term use may lead to hormone deficiencies that affect a man's health.

Researchers reviewed the latest medical evidence and found that about two-thirds of men using opioids for more than six months develop hypogonadism, which is insufficient testosterone production.

The review also found that about one in...

People transitioning female to male face issues around future fertility. But new research suggests children in the future are a real possibility for these transgender men.

Now, research shows that transgender men can remain fertile after even one year of testosterone treatment.

It's common for transgender men -- those who were born female but who i...

She's cute, and perhaps a medical breakthrough.

Scientists say they have used frozen testicular tissue to achieve the birth of a healthy baby monkey named Grady -- a success they hope to eventually translate to childhood cancer survivors whose treatment has left them infertile.

Infertility is a potential side effect of the chemotherapy and radiation used to treat various can...

Two chemicals found in household products and food could harm male fertility in both dogs and people, U.K. researchers say.

The chemicals are the plasticizer DEHP -- used in products such as carpets, flooring, upholstery, clothes, wires and toys -- and the industrial chemical polychlorinated biphenyl 153 (PCB153). Even though it is banned worldwide, PCB153 is still widely present in t...

You're a 14-year-old transgender boy who has opted to block normal female puberty before it can begin.

What happens if you and your parents decide to preserve some of your eggs, in case you want to have children later in life?

In this real-life case, doctors were able to retrieve and freeze four viable eggs from the patient, who was born a girl, but identified as male. The f...

Young men diagnosed with testicular cancer often worry that treating the disease may jeopardize their chances of having children, but new research should ease their minds.

In the study, sperm counts rebounded in men who received one course of chemotherapy or radiation therapy after surgery for early-stage testicular cancer.

It was known that several rounds of chemotherapy or...

In the race to conception, the female body is set up to separate weak sperm from strong, researchers report.

A woman's reproductive system presents a veritable obstacle course that stress-tests sperm, making sure that only the strongest swimmers have a chance of reaching a woman's egg, according to a new study.

Narrow gate-like passages within the female reproductive tract ...

All expectant parents worry, and for those undergoing fertility treatments, there are additional concerns about the health of their child.

But a new study finds one less thing they need to stress over -- their children don't appear to be at greater risk of cancer than other children.

"These results provide reassuring evidence that children conceived as a result of fertility ...

Forget the mellow slacker image -- pot smoking might actually make men more potent.

Men who've smoked marijuana appear to have significantly higher sperm concentrations than those who've never given it a try, a new study reports.

There's also a potential link between pot use and testosterone, said senior researcher Dr. Jorge Chavarro. He's an associate professor of nutrition...

Women who've had fertility treatments -- especially in vitro fertilization -- may be at higher risk for serious pregnancy complications, a new study suggests.

Still, it's not clear if the treatments cause the hike in risk, and the benefits of IVF far outweigh any obstetric dangers, the study's Canadian authors said.

"It is important to remember that the absolute number of wo...

An add-on procedure sometimes used before in-vitro fertilization won't increase a couple's chances of having a baby, according to a new study.

The technique is called endometrial scratching. A thin plastic tube is inserted into the uterus through the cervix and a small sample of tissue is taken from the lining of the uterus (endometrium).

"It was thought that the action of...

"Test tube" babies are more likely to be premature and have a low birth weight, but it's unlikely that assisted reproductive technology is the reason why, researchers say.

Their findings challenge the widely held belief that procedures such as freezing embryos, the delayed fertilization of eggs and hormonal treatments lead to these problems.

"These findings will reassure pr...

The risk of suicide is more than four times higher among Americans with cancer than those without the disease, a new study finds.

"Even though cancer is one of the leading causes of death in the United States, most cancer patients do not die from cancer, the patients usually die of another cause," said researcher Nicholas Zaorsky, a radiation oncologist in the Penn State Cancer Instit...

For women who use in vitro fertilization to get pregnant, particularly those who find success with frozen embryo transfers, recent studies have found they have an increased risk of preeclampsia, a pregnancy complication and serious blood pressure condition.

Now, academic researchers may have uncovered why.

"Many have reported this higher incidence of preeclampsia in those...

A series of miscarriages may signal that a man's sperm is not up to par, new British research suggests.

The findings could lead to new treatments to reduce the risk of miscarriage, said researchers at Imperial College London.

"Traditionally, doctors have focused attention on women when looking for the causes of recurrent miscarriage. The men's health, and the health of their...

New research shows that marijuana causes genetic changes in sperm, though it's not clear what effect those changes have, or if they're passed on to a man's children.

But the scientists said their findings suggest that men trying to have children should consider avoiding marijuana.

In experiments with rats and a study involving 24 men, the Duke University team found that tetr...

The world's first baby born to a woman who had a uterus transplant from a deceased donor shows that such transplants can be successful, Brazilian doctors say.

The 6-pound baby girl was delivered by C-section to an unidentified young woman who had been born without a uterus.

The birth shows that pregnancies involving a uterus from a deceased donor are viable, said study lead...

Birth rates are booming in 104 countries, but declining in 91 others, a new research reveals.

The world's population has risen 197 percent since 1950, from 2.6 billion to 7.6 billion in 2017. Between 2007 and 2017, it grew by 87.2 million people a year, compared with 81.5 million a year from 1997 to 2007.

In 1950, wealthy countries accounted for 24 percent of the global popu...

Trying to avoid "panic parenting" is the reason why many single women freeze their eggs for non-medical reasons, a small new study suggests.

Panic parenting refers to having a relationship just to have a baby.

"Whilst the number of women freezing their eggs remains small, many more are now considering this option as a way of extending the window of time they have to pursue g...

More American women than ever are having twins, triplets, quadruplets and even quintuplets, and it's not just because some are using fertility treatments, new research shows.

Since the 1980s, the number of multiple births has jumped from roughly 20 sets per 1,000 live births to almost 35 sets per 1,000 live births, the study found.

To determine whether this was attributable ...

In vitro fertilization gives couples struggling to conceive the chance to have children, but a new study suggests these kids are at increased risk for high blood pressure.

The study, of 54 teens conceived through assisted reproduction, found that eight -- or 15 percent -- had high blood pressure. That compared with just one case among 43 teenagers who were conceived naturally.

...

Young boys with undescended testes are at increased risk for testicular cancer and infertility in adulthood, new research suggests.

Undescended testes are the most common birth defect in infant boys, affecting one in 100. Corrective surgery is required.

For the new study, researchers examined data on nearly 351,000 boys who were born in Australia between 1970 and 1999, and f...

HPV vaccination does not hurt teen girls' future fertility, a new study says.

Large studies have called the HPV (human papillomavirus) shot safe, but vaccination rates in the United States are lower than for other shots recommended for teens, such as tetanus-diphtheria-acellular pertussis (Tdap) and meningococcal conjugate.

Parents' concerns about safety, including the impac...

Attention guys: Your tighty whities may not be doing your sperm any favors.

Men who wear tight-fitting briefs have sperm counts that suffer in comparison to men who wear boxers, according to results from the largest study to date on the controversial topic.

"Men who wore tighter underwear had lower sperm counts than men who wore the most loose underwear," said senior researc...

Struggles with infertility can take an emotional toll. But a new study finds the stress that a woman often experiences during infertility treatment won't limit her chances of success.

The analysis looked at 20 studies that explored the stress surrounding infertility, a condition that touches millions of women around the world.

"Infertility and its treatment are highly stress...

Earlier diagnosis of gynecologic cancers is on the rise among young women in the United States because more of them have health insurance under the Affordable Care Act, a new study maintains.

Each year, about 2,000 U.S. women under age 26 are diagnosed with a gynecologic cancer -- including cervical, ovarian, uterine, vaginal and vulvar cancers.

Early diagnosis is key to su...

A woman's fertility might help predict how likely she is to develop dementia later in life, two new studies suggest.

Women who were very fertile appeared to have some protection against dementia, a Kaiser Permanente study found.

This included women who had more children, more years of fertility, and menstruation that started earlier and ended later in their lives, explained ...

Women who choose to have their eggs frozen aren't necessarily putting off having children because they're laser-focused on their careers, new research suggests.

It's more likely that a lack of a stable, fulfilling relationship is what's behind those decisions, the Yale study authors found.

The study of 150 women undergoing egg freezing in the United States or Israel found th...

Fertility drugs do not increase a woman's risk of ovarian cancer, a new study suggests.

It did find that infertility itself is associated with an increased risk of ovarian cancer.

The researchers examined data from more than 58,000 women in Denmark who had infertility treatments (ART, or assisted reproduction technology) between 1994 and 2015. The investigators then compared...