Fish
It builds up: that is why it is avoided entirely
These are the tunas with the most mercury: avoid them during pregnancy. Fresh tuna on sale is often bluefin: ask which species it is and choose yellowfin or albacore, at most 1 portion a week and always well cooked.
Limit while breastfeeding: mercury can pass into breast milk. Prefer low-mercury fish (salmon, sardines, sole).
General information, not medical advice. It follows the public guidance for pregnancy and breastfeeding, and it cannot know your own history: for anything about your health or your baby's, the person to ask is your midwife or doctor.
the label, before the doubt
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