витамин А в животной форме — ретинол вреден для развиия нервной системы малыша. бетакаротин (который в моркови) можно есть сколько угодно безо всякого вреда.

http://www.babycentre.co.uk/pregnanc…y/liverexpert/

Experts recommend that pregnant women — and those planning to become pregnant — should not eat liver or any liver products, such as liver sausage or pâté. Why? Liver contains very high levels of the retinol form of Vitamin A, which can be harmful to your developing baby.

You need to take care over the content of any vitamin or mineral supplement you may be taking, too. Vitamin A comes in two forms — retinol and betacarotene. If you want to take a multi-vitamin supplement, look for the kinds specially formulated for pregnancy, which do not contain retinol. Any supplement providing more than 3,300 micrograms (mcg) per day of retinol may harm your baby. The betacarotene form of the vitamin is safe, but check the labels carefully and ask your pharmacist for advice.


Similarly, care should be taken with fish oil supplements (as either capsules or oil). There are two types of fish oil supplement — those made from the body of the fish and those made from the liver of the fish. Supplements made from the liver of the fish, such as cod liver oil, contain the retinol form of vitamin A and need to be limited so that your daily intake does not exceed 3,300 micrograms (mcg). On the other hand, fish oils not derived from fish livers contain lots of essential fatty acids (omega 3 fatty acids), which help your baby’s developing eyes and brain. Good sources include mackerel, herrings and sardines or, if you’re not a big fish eater, you could take a fish oil supplement specially formulated for pregnant women. Experts recommend that pregnant women — and those planning to become pregnant — should not eat liver or any liver products, such as liver sausage or pâté. Why? Liver contains very high levels of the retinol form of Vitamin A, which can be harmful to your developing baby.

You need to take care over the content of any vitamin or mineral supplement you may be taking, too. Vitamin A comes in two forms — retinol and betacarotene. If you want to take a multi-vitamin supplement, look for the kinds specially formulated for pregnancy, which do not contain retinol. Any supplement providing more than 3,300 micrograms (mcg) per day of retinol may harm your baby. The betacarotene form of the vitamin is safe, but check the labels carefully and ask your pharmacist for advice.


Similarly, care should be taken with fish oil supplements (as either capsules or oil). There are two types of fish oil supplement — those made from the body of the fish and those made from the liver of the fish. Supplements made from the liver of the fish, such as cod liver oil, contain the retinol form of vitamin A and need to be limited so that your daily intake does not exceed 3,300 micrograms (mcg). On the other hand, fish oils not derived from fish livers contain lots of essential fatty acids (omega 3 fatty acids), which help your baby’s developing eyes and brain. Good sources include mackerel, herrings and sardines or, if you’re not a big fish eater, you could take a fish oil supplement specially formulated for pregnant women.