It has long been a debate amongst pregnant women, but another report has come out that shows consuming too much fish when pregnant can be bad. Although many health experts will encourage women to eat some fish when they are pregnant, they are now being cautioned away from eating too much. A recent report found that women who have more than three servings of fish per week while pregnant may experience problems with the child in the future.
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The study has been published in JAMA Pediatrics and found that for pregnant women who eat more than the maximum recommended amount of fish (three servings a week), they have an increased risk of having babies that grow too fast and run the risk of having obese children from age 4 onward.
The study comes out of the University of Crete in Greece, and Leda Chatzi and her colleagues followed more than 26,000 pairs of women and children. They observed the mother's diet when pregnant and then the growth patterns and weight of the children until they were six. They found that those who were born to women who ate a lot fish had higher BMI values in their young age than those who had mothers who ate less fish.
The results were found more often in girls than they were in boys.
The researchers found that the environmental pollutants in the fish attributed for the link between fish intake and childhood obesity.
Mercury poisoning is a reason that many people refrain from eating fish when they are pregnant, and expectant mothers have been urges to consume more. The FDA has encouraged women to eat more fish, but to stay away from mercury laden fish like king mackerel, shark, and swordfish.
Women who followed that are in line with the study and should not experience problems, according to Tech Times.
There are some fish that women are encouraged to eat, including salmon, cod, and tuna because they have the omega-3 fatty acids that are crucial to brain development.
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"This large, multicenter study indicates that fish intake of more than 3 times/week in pregnancy is associated with increased risk of rapid growth in infancy and increased adiposity in childhood.," the researchers wrote. "Our findings are in line with the fish intake limit for pregnancy proposed by the US Food and Drug Administration and Environmental Protection Agency."