Twins, triplets and other multiples have a nearly 50 percent greater chance of being born with birth defects, and boys tend to be more at risk than girls, according to two population-based studies conducted at the University of Florida.
UF researchers who studied all Florida births from 1996 through 2000 found multiples have a higher risk than babies born singly of developing 23 of 40 birth defects, such as spina bifida, according to results recently published online in the Maternal and Child Health Journal.
The same team of researchers, from UFs Maternal Child Health Education Research and Data Center, studied 4,768 pairs of opposite-sex twins and found that boys had a 29 percent higher risk for birth defects than girls. This could be because boys tend to develop at a slower pace, leaving a little more time for potential problems to arise, according to findings published this month in Birth Defects Research (Part A): Clinical and Molecular Teratology.
April Frawley Birdwell | EurekAlert!
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