Despite difficulties, study finds most live independently
Two registries will track those who show lab evidence of infection, whether or not they ever had symptoms
Study authors stress women should still take the B vitamin before and during pregnancy
Experts point to lack of constant fetal monitoring, inability to perform emergency delivery if needed
Expectant mothers should probably avoid the drug, experts say, although study didn't prove cause and effect
Finding held even when mom-to-be's blood sugar condition was well-controlled
Virus attacks placenta first, then fetus, study shows
Childhood obesity seems more likely when mothers are less educated
Elevated blood sugar may also 'imprint' baby for extra pounds
Approach used for fighting tumors could also safely get medicines to placenta, mouse study suggests
As mosquito season approaches, people can take simple steps to protect themselves, health officials say
Virus appears to activate an immune system response that turns off or stunts cell development
They tend to be taller, better educated, and societal changes over time may be behind trend, study suggests
Study found risk for a leading cause of premature birth began below EPA standards
Improvements in infertility treatments led to fewer risky multiple births by 2014, experts say
Study also found six months of breast-feeding offered protection against excess pounds in child
Agency recommends alternatives to fluconazole for mothers-to-be until its review is complete
Accutane raises risk of birth defects, but many women taking it don't follow guidelines to avoid pregnancy, study finds
One advisory: Let employees who feel nervous about travel to endemic areas stay put
Eating nutritious foods seems to counter higher risk, researchers find
At issue: should women be told to avoid getting pregnant during mosquito season
Agency says evidence confirms infection during early pregnancy leads to severe form of microcephaly
Finding suggests doctors might want to screen at-risk women sooner
Data review can't prove cause-and-effect, but suggests that ideal spacing between children is 2 to 5 years
Study also finds raised risk of newborns needing intensive care, but it doesn't prove cause-and-effect
The primary concern is potential for birth defects, officials say
Discovery could help explain link between expectant moms' tobacco use and kids' health problems
Australian researchers find possible link in large-scale study
Protein on fetal stem cells provides pathway for Zika; discovery might lead to infection-blocking drugs, researchers say
Harvard poll shows they don't know how virus spreads or how it affects health
Researchers estimate toll of dirty air that triggers early birth can exceed $4 billion a year
Men with known infection from the virus should wait 6 months before condom-free sex, agency says
Behaviors prior to conception influence pregnancy loss
Goal is to identify and treat this mental health issue early
Most tended to be low-risk pregnancies and Pacific Northwest saw greatest increase, study finds
Higher levels of the hormone cortisol linked to low birth weight infants, study suggests
Nearly all had a probable link to travel to a Zika-endemic area outside the United States, agency says
Nearly all had a probable link to travel to a Zika-endemic area outside the United States, agency says
They're unlikely to have more than two kids, researchers say
A woman infected in 1st trimester has 1 in 100 chance of delivering baby with microcephaly, data suggests
Agency says testing the insects in Florida Keys poses little risk to people, animals and the environment
Women older than 35 appear most at risk, study finds
They say funds needed to battle the virus, which has been linked to severe birth defects
It may cause meningoencephalitis, an infection and swelling of the brain, researchers say
Potential clues to recurrent loss might found in lining of uterus, researchers say
The pathogen appears to attack cells crucial to the developing fetal brain
But dermatologist recommends using only the mildest effective ones
Study also found that prompting delivery in 39th week did not affect health of baby or mother
Exposure could affect aspects of fetal development, study suggests
Four cases ended in either miscarriage or abortion, one involved severe birth defect