WASHINGTON (November 15, 2013) Boys are not only a little more likely to be born early than girls, but also don’t do as well after a premature birth, according to new research headed by Dr. Joy Lawn of the London School of Hygiene & Tropical Medicine.
Lawn, who led the research team, says the pattern is repeated globally, but it’s unclear why it happens.
The gender difference in premature births isn't large.
About 55 percent of preterm births in 2010 were male.
A series of studies on newborn health and prematurity are being published Friday in the journal Pediatric Research.
About 15 million babies worldwide are born too soon, most of them in Africa and parts of Asia where survival is more difficult.
About 1 million babies die as a direct result of preterm birth and another million die of related conditions.
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