Cold cuts or lunch meats are surely delicious. Especially during pregnancy when you have all these cravings.
The slices of cold cheeses or precooked / cured meat, cold cuts, sausages or meat loaves served with sandwiches or alone, are available pre-sliced in vacuum packs or may be purchased from deli counters and then sliced. Such lunch meats like ham, salami, turkey and bologna, especially if they are cut and served on a deli counter where they can become contaminated are potentially contaminated are not recommended for pregnant women,.
The third trimester is the period when your immune system weakens so you are at a greater risk of being afflicted by Listeriosis in this phase. If at all you are eating cold cuts ensure that you reheat them until steaming. You can do this by grilling them. Also take foods rich in Vitamin C along with cold cuts to prevent conversion of nitrates to carcinogens. Deli meats purchased from the deli counter have less fat and salt than the packaged lunch meats.
However to be on the safe side it is recommended that you avoid lunch meats and cold cuts during pregnancy for your baby's sake.