Two factors account for this low level of local fish consumption.
Among women who reported no fish consumption, 13 percent of the births were low weight.
Fish consumption is a natural part of the Danish food tradition.
It is among the countries in the world with the highest fish consumption per capita.
It found that fish consumption decreased the risk of dementia.
But the researchers who did the new study said they had found no link between fish consumption and longer pregnancies.
Some suspect fish consumption is a major source of many environmental contaminates.
The country has Europe's highest fish consumption per capita and is among the top four in the world for this indicator.
The per capita fish consumption was about 2.0 kg/year, which is very low by international standards.
The message to the public remains unclear despite the potential health hazard associated with fish consumption.