Taking an antibiotic for a common health problem during pregnancy could increase the risk of a baby having devastating birth defects, a study suggests. American scientists found that taking a specific ...

August 24, 2010 — Exposure to acyclovir or valacyclovir in the first trimester of pregnancy is not associated with an increased risk for major birth defects, according to the results of a large, ...

Ann Arbor, August 26, 2025 - An analysis using data from the National Health and Nutrition Examination Survey (NHANES) among 5,374 women of reproductive age indicates that two thirds of women within ...

Two-thirds of women in their child-bearing years have an increased risk for birth defects due to a lifestyle factor they can change, a new study says. These risk factors -- low levels of vitamin B9 ...