What is the topic of the passage?
The word endorsing in line 16 in the passage means ….
How much fish does a pregnant mother need to consume per week to have her child test score improve in the future?
When mothers eat three sizeable servings of fish each week during pregnancy, it may benefit children’s brains for years to come, according to a large study in Spain.
Researchers followed nearly 2,000 mother-child pairs from the first trimester of pregnancy through the child’s fifth birthday and found improved brain functions in the kids whose mothers ate the most fish while pregnant, compared to children of mothers who ate the least.
Even when women ate averaged 600 grams, or 21 ounces, of fish weekly during pregnancy, there was no sign that mercury or other pollutants associated with fish were having a negative effect that offset the apparent benefits.
“Seafood is known to be an important source of essential nutrients for brain development, but at the same time accumulates mercury from the environment, which is known to be neurotoxic,” lead author Jordi Julvez, of the Center for Research in 10 Environmental Epidemiology in Barcelona, said in an email.
In an attempt to balance the potential harms of such pollutants with the general health benefits of fish, the U.S. Food and Drug Administration’s 2014 guidelines encourage pregnant women to eat fish, but no more than 12 ounces per week.
The European Food Safety Authority recently issued a scientific opinion endorsing 150 g to 600 g of fish weekly during pregnancy, Julvez and colleagues note in the American Journal of Epidemiology. But, the study team writes, the effects of maternal 15 fish consumption during development are still not well understood and more research could help give pregnant women clearer guidance.
The researchers analyzed data from the Spanish Childhood and Environment Project, a large population study that recruited women in their first trimester of pregnancy, in four provinces of Spain, between 2004 and 2008.
On average, the women had consumed 500 g, or three servings, of seafood per week while pregnant. But with every additional 10 g per week above that amount, children’s test scores improved. The link between higher maternal consumption and better brain development in children was especially apparent when kids were five.
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