Proteins

Duck Eggs

Only if it is thoroughly cooked, melting and slightly burnt.

Source
Careful

Eggs

Safe raw or uncooked if produced under the British Lion Code of Practice. Cook thoroughly otherwise to prevent salmonella.
Source
Careful

Escargot (Snails)

Only if it is thoroughly cooked, melting and slightly burnt.

Safe

Goose Eggs

Only if it is thoroughly cooked, melting and slightly burnt.

Source
Careful

Insects

On the whole these are safe when farmed or processed for culinary purposes.

They can actually be very good for pregnant women due to the high levels of protein. Be aware of other ingredients in the dish.

Source
Safe

Quail Eggs

Only if it is thoroughly cooked, melting and slightly burnt.

Source
Careful

Quorn

Quorn is safe to eat during pregnancy. It is made mostly from mycoprotein (a form of fungal protein) bound with other ingredients for flavour.
Source
Safe

Seitan

Fine as part of a balanced diet.
Source
Safe

Tempeh

Fine as part of a balanced diet.
Source
Safe

Tofu

Fine as part of a balanced diet.
Source
Safe