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Metformin Prescriptions Linked to Sons’ Birth Defects
A new cohort study finds that boys whose fathers took the type 2 diabetes drug metformin three months before their conception were more likely to have a birth defect.
Metformin Prescriptions Linked to Sons’ Birth Defects
Metformin Prescriptions Linked to Sons’ Birth Defects

A new cohort study finds that boys whose fathers took the type 2 diabetes drug metformin three months before their conception were more likely to have a birth defect.

A new cohort study finds that boys whose fathers took the type 2 diabetes drug metformin three months before their conception were more likely to have a birth defect.

birth defect
Mutations in One Gene Linked to Two Separate Birth Defects
Emma Yasinski | Feb 1, 2019 | 4 min read
The same network of transcription factors may be responsible for both cleft palate and neural tube defects, according to a new study connecting mouse and human data.
Image of the Day: See Through
Catherine Offord | Nov 6, 2018 | 1 min read
A zebrafish model of the birth defect craniosynostosis provides insights into how the condition develops.
Zika’s Effects on Babies Can Show Up Later
Kerry Grens | Aug 7, 2018 | 2 min read
The CDC finds one in seven children exposed to the virus in utero experiences health problems by age one.
Birth Defects Linked to Increased Risk of Childhood Cancer
Jim Daley | Apr 15, 2018 | 2 min read
Certain non-chromosomal defects are strongly associated with specific childhood cancers.
Viruses Related to Zika May Also Harm Fetuses
Ruth Williams | Jan 31, 2018 | 3 min read
Studies in mice suggest that other flaviviruses, such as West Nile virus and Powassan virus, may cause birth defects, too. 
Parts of U.S. Saw an Increase in Zika-Linked Birth Defects in 2016
Katarina Zimmer | Jan 26, 2018 | 2 min read
The rise occurred in areas with confirmed local transmission, according to a new CDC report. 
Maternal Response to Zika Damages Mouse Fetuses
Catherine Offord | Jan 5, 2018 | 2 min read
Signaling pathways triggered by the mother’s immune system may cause complications during fetal development.
Zika Vaccine Shows Promise in Early Clinical Trial
Ashley P. Taylor | Oct 5, 2017 | 2 min read
In humans, the DNA vaccine elicited the production of antibodies, which then protected mice from Zika infection.
CDC Recommends Brain Imaging for Zika-Affected Babies
Tracy Vence | Apr 6, 2017 | 2 min read
Infants born to mothers who were infected with the virus during pregnancy—including babies who do not show signs of microcephaly—may experience other birth defects.
Zika’s Persistence in Infants
Ben Andrew Henry | Dec 14, 2016 | 1 min read
Microcephaly is but one of the birth defects associated with infection in babies, a study suggests. The virus persists and replicates in the infant brain, according to another study.
Zika Update
Kerry Grens | Aug 24, 2016 | 2 min read
More locally acquired cases in Florida; fetal brain damage investigated
Zika Update
Kerry Grens | Aug 17, 2016 | 2 min read
More local transmission within the U.S.; babies born with costly birth defects; virus persists in a patient’s semen for six months
Zika Update
Tanya Lewis | Jul 26, 2016 | 2 min read
Researchers in Brazil ponder whether virus alone causes birth defects; Colombia declares epidemic over; first Zika-related microcephaly case reported in Europe
Zika Update
Tanya Lewis | Jul 5, 2016 | 2 min read
Sexual transmission more common than thought; NIH to track infections among Olympians; Zika-related birth defects draw attention to another common virus
Improving Zika Virus Detection in Infants
Catherine Offord | Jun 29, 2016 | 2 min read
Head circumference is not an accurate indicator of viral infection in newborns, researchers report.
Scientists Estimate Zika-Related Microcephaly Risk
Catherine Offord | May 25, 2016 | 2 min read
A fetus whose mother is infected with Zika during the first trimester of her pregnancy has a risk of between 1 percent and 13 percent of developing microcephaly, according to a study.
Wait to Conceive After Zika Infection: CDC
Kerry Grens | Mar 29, 2016 | 1 min read
The US Centers for Disease Control and Prevention issues a series of recommendations to limit the pregnancy-related risks of the mosquito-borne virus.
Zika and Birth Defects
Catherine Offord | Mar 8, 2016 | 2 min read
A study provides stronger evidence for the causal link between Zika infection and microcephaly, and warns of a host of other birth defects associated with the virus.
Zika Update
Kerry Grens | Feb 16, 2016 | 2 min read
Uptick in Guillain-Barré syndrome; Zika data-sharing snags; Brazilian state discontinues larvicide
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