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Women who suffer severe morning sickness may have higher risk of depression during and after pregnancy, according to a new British study.

It enrolled 214 women in London during the first trimester of pregnancy. Half had severe morning sickness; half did not. None had been treated for mental health conditions during the previous year.

The women's mental health was assessed in...

If you're pregnant and you think popping nonsteroidal anti-inflammatory drugs (NSAIDs) for your aches and pains is safe, think again.

The U.S. Food and Drug Administration warned on Thursday that taking these widely used painkillers -- which include Advil, Motrin, Aleve and Celebrex -- at 20 weeks or later in a pregnancy could raise the risk of complications.

Specifically, t...

In some reassuring news on the coronavirus front, a new study finds that pregnant women with COVID-19 rarely infect their newborn.

That finding suggests that it may not be necessary to separate infected mothers from their infants and that moms can continue to breastfeed, the researchers added.

"Our findings should reassure expectant mothers with COVID-19 that basic infectio...

Children whose mothers were given an epidural during labor may face a slightly heightened risk of autism, a large, new study suggests.

Researchers found that the rate of autism was a little higher among those kids, versus their peers whose mothers did not get epidural pain relief during childbirth: 1.9% versus 1.3%.

The reasons for the difference are not yet known. A...

COVID-19 symptoms can last a long time in pregnant women, researchers say.

The new study included 594 pregnant women (average age 31) across the United States who tested positive for the new coronavirus but were not hospitalized. Nearly one-third were health care workers.

On average, the women were about 24 weeks' pregnant when they joined the study.

The most comm...

Metals and other air pollutants have been found in the placentas of new mothers, which means such pollutants may be able to reach the fetus, researchers report.

"Our study for the first time shows that inhaled carbon particulate matter in air pollution travels in the blood stream, and is taken up by important cells in the placenta. We hope that this information will encourage policy m...

The foundation for early heart disease might begin not during childhood or in the years that follow, but in the womb.

Researchers studying nearly 30 years of data from families in Manitoba, Canada, found a strong connection between heart disease risk factors in teens and young adults and their mother's type 2 or gestational diabetes.

"I was surprised at the strength of the a...

Babies born to mothers with COVID-19 only rarely suffer from effects of the virus, a new study suggests.

These newborns generally do well in the six to eight weeks after birth, but more are admitted to the neonatal intensive care unit (NICU) if their mothers had COVID-19 in the two weeks before delivery.

Of more than 200 babies studied, complications including preterm birt...

There may be a slightly increased risk of autism for each week a child is born before or after 40 weeks of gestation, according to a new study.

Researchers are still trying to pinpoint the causes of autism, but both genetic and environmental factors are believed to play a role.

Some previous studies have suggested that being born before or after full term (40 weeks) may be a...

Expectant mothers who smoke pot in pregnancy could increase their baby's risk for mental or emotional problems later in childhood, a new study finds.

Marijuana use during pregnancy was associated with a host of problems in the preteen years, researchers report.

Children exposed to pot in the womb were more likely to experience internalizing disorders such as depression and a...

COVID-19 may hit pregnant women especially hard, U.S. health officials warned in two reports.

In one report, scientists from the U.S. Centers for Disease Control and Prevention urge pregnant women and health care providers to be aware of the risks for severe COVID-19, which include serious birth outcomes.

Diagnosing COVID-19 during childbirth hospitalizations is important ...

Mom's breast milk can be altered by antibiotics in ways that might harm an infant's health, according to a new study.

The Canadian researchers were particularly concerned with an increase in bacteria that can be harmful, namely a bacterium called Pseudomonas that can cause a serious intestinal infection called necrotizing enterocolitis in a preterm infant.

About 7%...

The narcolepsy medicine modafinil doesn't appear to increase the risk of birth defects, according to a new study that contradicts earlier research.

"This study is based on twice as many pregnancies as earlier studies, and we find no increase in the risk of malformation in infants exposed to modafinil during pregnancy," lead author Carolyn Cesta, of the Karolinska Institute in Sweden, ...

A new review may offer guidance on women who contract COVID-19 during pregnancy.

Pregnant women with COVID-19 are less likely to have symptoms than those who aren't expecting -- but they're more likely to require critical care, according to the study.

Having COVID-19 also increases a mother-to-be's risk of having a preterm baby and of her baby being admitted to the neonatal ...

Pregnant women are understandably worried about everything that goes into their bodies. But here's one worry they can cross off that list: flu shots.

A large, new study has confirmed that an expectant woman's flu shot doesn't increase the risk of autism in her child. And that's true even if the vaccine is given during the first trimester of pregnancy, the Swedish study found.

...

New insight into how pregnant women can pass the Zika virus to their fetus could point to ways to prevent it, researchers say.

Babies infected with Zika in the womb can have abnormally small heads (microcephaly) and other birth defects.

In this study, researchers examined placenta samples collected from pregnant women during the peak of Brazil's 2015 to 2016 Zika outbreak. S...

A new case study adds to growing evidence that the new coronavirus can be transmitted from a pregnant woman to her fetus.

"It's very important to bring to the forefront this finding that mothers and infants can be affected by COVID-19, transmission can occur during pregnancy, and pregnant mothers need to protect themselves," said Dr. Amanda Evans, senior author of the report.

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Women who are pregnant or trying to get pregnant may need to forgo coffee, tea, sodas and other sources of caffeine. A new data analysis finds no safe level of the drug during this time.

"The cumulative scientific evidence supports pregnant women and women contemplating pregnancy being advised to avoid caffeine," concluded study author Jack James, a professor at Reykjavik University...

Here's some reassuring news for pregnant women: In-person doctor visits don't appear to make them vulnerable to COVID-19, a new study indicates.

It included thousands of Massachusetts women who had babies at four Boston-area hospitals between April 19 and June 27, 2020.

In the spring of 2020, there was a surge in COVID-19 cases in the Boston area, so the hospitals tested all...

As many expectant mothers can unhappily attest, the nausea and vomiting known as "morning sickness" can occur at any time of the day.

In a new study, British researchers analyzed diaries kept by 256 women from the day they learned they were expecting until the 60th day of their pregnancy.

While vomiting was most common between 7 a.m. and 1 p.m., nausea was likely all day lon...

For pregnant women experiencing painful gallstones, immediate surgery to remove the infected gallbladder may be better than postponing the operation until after childbirth, a new study suggests.

Acute gallbladder disease is called cholecystitis.

"Current guidelines recommend surgery for acute cholecystitis during pregnancy, but many patients and providers delay surgery," sa...

Obesity during pregnancy may hinder fetal brain development, a new study suggests.

Development of brain areas involved in decision-making and behavior may be affected as early as the second trimester, New York University researchers said.

For the study, the researchers examined nearly 200 groups of active nerve cells in the fetal brain.

"Our findings affirm that...

Research has shown that pot use during pregnancy may increase the risk of stillborn birth, preterm birth and low birth weight.

Now, a new study adds another danger: children whose mothers used pot while pregnant could be at greater risk for autism.

And the increased danger wasn't slight: Using data on every birth in Ontario, Canada, between April 2007 and March 2012, the Uni...

Some key molecules used by the new coronavirus to cause infection aren't found in the placenta, which may explain why the virus is rarely detected in fetuses or newborns of women with COVID-19.

U.S. government researchers found that placental membranes lack the messenger RNA (mRNA) molecule required to make the ACE2 receptor. SARS-CoV-2 -- the virus that causes COVID-19 -- uses that c...

Kids whose moms used pot while pregnant may end up with sleep problems years later, a new study suggests.

Looking at thousands of 9- and 10-year-olds, University of Colorado researchers found that children were more likely to have trouble falling asleep or staying asleep if their mother had used marijuana prenatally.

"While not explicitly causal, the results are consistent...

It's a virus some might not even remember, but babies born to mothers infected with Zika who appeared normal at birth still experienced neurological or developmental problems, new research suggests.

A hallmark of infection with the mosquito-borne Zika virus in pregnant women is delivering a baby with an abnormally small head -- a condition called microcephaly. But as children exposed ...

Poverty and crowded living conditions increase the spread of the coronavirus that causes COVID-19, a new study suggests.

Researchers reached that conclusion after testing nearly 400 women who gave birth at two hospitals in New York City during the peak of the COVID-19 outbreak.

"Our study shows that neighborhood socioeconomic status and household crowding are strongly assoc...

Here's more bad news associated with climate change: Pregnant women exposed to air pollution or heat waves face a greater risk of having a preterm or underweight baby, a new research review finds.

The review, of 68 studies from across the United States, found that the large majority arrived at the same conclusion: Babies were at greater risk when their mothers lived in areas with poor...

Pregnant women with COVID-19 who deliver by cesarean section may be at greater risk for complications that affect them and their babies, new research suggests.

The study focused on 82 women with COVID-19 -- four of them with severe symptoms -- who gave birth in hospitals in Spain. Thirty-seven women delivered by cesarean section (C-section), including eight as a direct result of COVI...

Taking benzodiazepines -- drugs such as Xanax, Valium, Klonopin, Halcion or Ativan -- to treat anxiety or insomnia before pregnancy boosts the risk of an ectopic pregnancy, new research suggests.

Ectopic pregnancy is a pregnancy that develops outside the uterus, typically in a fallopian tube. The risk of ectopic pregnancy was nearly 50% higher for women who had filled a prescript...

Pregnant women who live near active oil and gas wells may be at risk for having low birth weight infants, a new study suggests.

Researchers analyzed nearly 3 million births to Californians living within six miles of an oil or gas well between 2006 and 2015.

It was found that women living within less than a mile of a well were 40% more likely to have low birth weight in...

A new study suggests the rate of COVID-19 among pregnant women without symptoms is much lower than previously reported.

Fewer than 3% of asymptomatic women admitted to three Yale New Haven Health hospitals for labor and delivery during April tested positive for COVID-19 infection.

That contrasts with a 13.5% rate reported in a study of asymptomatic pregnant women ad...

MRI imaging has uncovered key differences in blood flow to the placenta in pregnant women who are healthy and those with preeclampsia.

That could help explain why babies born to mothers with preeclampsia -- dangerously high blood pressure during pregnancy -- are often smaller and premature, according to researchers at the University of Nottingham in the United Kingdom.

The ...

Some pregnant women with COVID-19 do become severely ill, and the risk may be elevated for those who were obese or had conditions like asthma before pregnancy, a new study suggests.

As with all things COVID-19, researchers have had limited information on whether pregnancy puts women at any greater risk of severe illness -- or whether infection complicates pregnancy.

There is...

The more pregnancies losses a woman has, the greater her risk of developing diabetes, a new study suggests.

Researchers examined data on nearly 25,000 Danish women who were born between 1957 and 1997 and diagnosed with type 2 diabetes between 1977 to 2017.

The women were compared with a control group of nearly 248,000 women with the same ages and educational levels who didn'...

Twice as many women who have high blood pressure during pregnancy may be at an increased risk for heart and kidney disease than once thought, a new study suggests.

For the study, researchers collected data on more than 9,800 pregnancies among more than 7,500 women in Olmsted County, Minn., who gave birth between 1976 and 1982.

During that time, 659 women had 719 high blood...

Even if their first pregnancy results in a full-term baby, women who had complications may be at increased risk of a preterm delivery next time around, researchers say.

Women who deliver full-term babies are generally considered to have a low risk of delivering before 37 weeks in later pregnancies. But it wasn't clear how pregnancy complications or poor outcomes at birth might affect ...

The makeup of bacteria in an expectant mother's vagina may help identify which women are most at risk of giving birth prematurely, a new study suggests.

It also found that pregnant women who deliver early are more likely to have a diverse community of vaginal bacteria.

The findings, based on more than 3,000 samples taken from more than 400 women, were recently published in the j...

Pregnant women with COVID-19 may be susceptible to pregnancy complications, an obstetrician-gynecologist says.

Pregnant women have physiologic changes in their chests that may make them more susceptible to viral respiratory infections, according to Justin Brandt. He's assistant professor of obstetrics and gynecology in the division of maternal-fetal medicine at Rutgers Robert Wood Joh...

Pregnant women with COVID-19 may be susceptible to pregnancy complications, an obstetrician-gynecologist says.

Pregnant women have physiologic changes in their chests that may make them more susceptible to viral respiratory infections, according to Justin Brandt. He's assistant professor of obstetrics and gynecology in the division of maternal-fetal medicine at Rutgers Robert Wood Joh...

New research suggests that having an underlying health condition might be one of the most significant risk factors for developing a severe case of COVID-19.

Scientists at the U.S. Centers for Disease Control and Prevention took a look at a group of U.S. adult COVID-19 patients and found roughly three-quarters of those who wound up in the hospital had at least one underlying health iss...

Pregnant women exposed to high levels of radiation from cellphones, microwaves and Wi-Fi may be increasing their baby's risk for attention deficit hyperactivity disorder (ADHD), a new study suggests.

Called MF (magnetic fields) nonionizing radiation, these waves are in the air all around people. They also come from cellphone towers, high-tension electrical wires, electric appliances,...

Infants can become infected with the new coronavirus, but their bouts with COVID-19 appear to be milder than those of older folks and people with chronic health problems, experts say.

Doctors in China tracked nine babies infected with coronavirus that they apparently picked up from a sick family member, and none of the infants fell deathly ill, according to a report published online r...

As coronavirus continues to spread, pregnant women may be especially anxious.

But a University of California, Los Angeles expert says there's no reason to panic.

While expectant mothers are at higher risk for developing complications from some respiratory viruses because they have a weakened immune system, they need not be overly concerned about coronavirus, according to Dr....

The health of both mom and dad are key to a healthy pregnancy and birth, new research finds.

In the study of nearly 786,000 births, researchers found that dads who weren't in the best of health were more likely to have preterm and low birth weight infants who spent time in the neonatal intensive care unit (NICU).

"The study suggests that a father's health before conc...

Even if a pregnant woman quits smoking in the first trimester, her baby is still at risk for a smaller body and head, a new study warns.

Researchers analyzed data from 1.4 million mother-child pairs in Finland to assess how smoking during pregnancy affects newborns.

"The most important finding of our study is that although quitting smoking in the first trimester reduces the ...

All new mothers should know the signs and symptoms of high blood pressure, even if they don't have a history of the condition, researchers say.

It's not uncommon for high blood pressure to occur after childbirth. If the high blood pressure isn't treated, women can be at risk for stroke and other serious problems. In some cases, it can result in death.

It's unclear what cause...

Young boys whose mothers were exposed to chemicals known as phthalates while pregnant may face an increased risk for developing behaviors associated with autism, a new study warns.

Phthalates are chemicals found in many household products, including cosmetics and plastics.

The study didn't identify a heightened risk for autism per se among boys, but rather a "small" increas...

Having high blood pressure in a first pregnancy quadruples a woman's risk of heart attack or death from heart disease, a new study finds.

About 2% to 8% of pregnant women with previously normal blood pressure develop a condition called preeclampsia, which includes high blood pressure that usually begins after 20 weeks of pregnancy.

In this study, Rutgers University ...

There's some good news about the new coronavirus: Preliminary research suggests that the virus cannot be transmitted from an infected pregnant woman to the fetus.

The researchers stressed that the study population was small -- just nine pregnant women -- and a number of other factors mean questions linger when it comes to maternal-fetal transmission.

For the study, the rese...