The question is more complicated than it might seem. Pregnant women need omega-3 unsaturated fatty acids. Without them, the child's brain is not formed correctly.
It would be logical to eat them with oily sea fish. But not every sea fish contains enough of the necessary acids, and not every sea fish contains little mercury. Sometimes there is a lot of mercury, and pregnant women should not.
Typically, the nutritional value of fish oil for pregnant women is estimated by docosahexaenoic acid. This omega-3 fatty acid in the diet of a pregnant woman should be at least 200-300 milligrams. It's minimum.
On average, it is generally accepted that 3 grams of fish oil will not harm a pregnant woman and will be beneficial. This is the ceiling.
Let's say you find an omega-3 dietary supplement in a grocery store. How do you know if pregnant women can use it? In theory, this should be a supplement specially sharpened for pregnant women. Because even the substances that have passed the control at the border, which the manufacturer of the supplements then body in the capsules, may contain something that the regulatory authorities do not check.
Well, that is, they can check this raw material for radiation and mercury, but they will not check for vitamins. And pregnant women should not eat excess vitamin A. From this there are congenital deformities in offspring.
Therefore, omega-3 supplements for pregnant women do not come from cod liver. There are too many extra vitamins in the liver.
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