Fish
It depends how much
One of the best things you can eat: omega-3 for the baby's brain. Cook it right through (70 °C, opaque flesh that flakes). Farmed salmon, the most common kind, at most once a week; 2-4 portions of fish a week in total, alternating with small fish such as anchovies, sardines and mackerel.
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