Cheese in Pregnancy: Pasteurized Is the Password

Why does pasteurization decide which cheese is safe?

Pasteurization is the heat step that kills listeria and other bacteria in milk, which is why it decides the cheese question. Cheeses made from pasteurized milk, whether hard or soft, have had that risk removed before the cheese is even formed. Raw-milk or unpasteurized cheeses skip that step, and soft, moist, less-acidic varieties give listeria the best environment to survive. According to food-safety guidance in pregnancy, the caution targets unpasteurized soft cheeses specifically, not soft cheese as a texture 1Ref 1Office on Women's Health (U.S. HHS) (2025).Prenatal care.Prenatal nutrition guidance frames unpasteurized soft cheeses as the listeria caution in pregnancy, not soft cheese in general.. In the United States, most cheese sold in mainstream grocery stores is made from pasteurized milk by default. The word to look for on the label is pasteurized, and its presence is what moves a soft cheese into the reassuring column 2Ref 2National Institute for Health and Care Excellence (2024).Antenatal care (NG201).Antenatal care includes advice identifying which cheeses to avoid based on pasteurization and milk source..

Which cheeses are safe to eat in pregnancy?

Hard cheeses and pasteurized soft cheeses make up the safe list, and it is longer than many people expect. Generally safe options include:

• Hard cheeses such as cheddar, parmesan, gouda, and Swiss
• Pasteurized soft cheeses including most brie, camembert, feta, and goat cheese
• Cottage cheese, ricotta, cream cheese, and processed cheese slices
• Mozzarella and paneer made from pasteurized milk

Cooking cheese thoroughly, as food-safety guidelines note, adds another layer of safety, since baked brie or a cheese melted until bubbling for about 2 minutes reaches temperatures that kill listeria. A related pasteurization and heating logic applies to deli meat and listeria. Roughly 9 in 10 cheeses on a typical supermarket shelf are pasteurized, so most cravings have an easy yes.

Which soft cheeses call for a label check?

Soft cheeses made from unpasteurized or raw milk are the ones that call for a label check. Higher-caution examples, when unpasteurized, include:

• Traditional queso fresco, queso blanco, and panela
• Some imported brie, camembert, and blue cheeses
• Raw-milk feta and certain farmstead or artisan cheeses
• Soft Mexican-style cheeses sold without labels

The risk comes from raw milk plus a soft, moist texture, so a raw-milk hard cheese aged over 60 days carries far less concern. When a cheese has no label, such as one from a farmers market or bought abroad, asking whether it is pasteurized is reasonable. Any of these becomes safe when cooked until steaming, the same heat principle that runs through pregnancy food safety.

Does the cheese rule change across pregnancy or breastfeeding?

The pasteurization rule holds steady through all three trimesters, because listeria susceptibility does not ease as pregnancy progresses. Early infection carries miscarriage risk and later infection is linked to preterm birth, so a pasteurized-only habit is worth keeping across all 40 weeks of pregnancy. Food aversions common in the first trimester of pregnancy sometimes make strong cheeses unappealing anyway 3Ref 3American College of Obstetricians and Gynecologists (2018).ACOG Practice Bulletin No. 189: Nausea and Vomiting of Pregnancy.Food aversions of early pregnancy influence appetite for strong cheeses, especially in the first trimester.. After birth, the restriction lifts, and unpasteurized cheeses are not a concern during breastfeeding. The steady thread is that pasteurized cheese is safe throughout, so most cheese boards need only a swap or two. Getting enough calcium also matters in pregnancy, and pasteurized dairy is one comfortable way to reach it, alongside prenatal vitamins.

When a cheese slip warrants a clinician check

An unpasteurized cheese eaten before you knew the rule is rarely a problem, but new symptoms change that. Fever, chills, muscle aches, or reduced fetal movement within 1 to 4 weeks, and sometimes longer, after eating an unpasteurized soft cheese are reasons to contact an obstetric clinician, since listeriosis is treatable when caught. A single exposure without symptoms usually calls for watchful waiting rather than alarm. Nutrition and food-safety questions fit well into a first prenatal visit, and scheduling prenatal care early makes room for them. Gale can help you gather your questions in advance. An obstetric clinician or midwife can weigh any exposure against your symptoms and history.