Pineapple
Pineapple is safe to eat during pregnancy in normal amounts. Despite some myths, it does not cause miscarriage or early labour.

Pineapple is safe to eat during pregnancy in normal dietary amounts, and there is a lot of misinformation about it worth addressing directly. You may have heard that pineapple can cause miscarriage or trigger early labour — this claim stems from the presence of bromelain, an enzyme found in pineapple. In very high concentrations, bromelain can theoretically act as a cervical ripening agent. However, the amount found in fresh pineapple is extremely small, and you would need to eat a truly excessive quantity — somewhere in the region of seven to ten whole pineapples in one sitting — for this to be a theoretical concern. Eating pineapple as part of a normal diet is completely safe. Pineapple is a good source of vitamin C, manganese, and bromelain which in normal amounts actually aids digestion and reduces inflammation. Fresh, tinned (in juice, not syrup), and frozen pineapple are all safe options.
What to be aware of
- Normal amounts of pineapple — portions of fresh, frozen, or tinned pineapple — are completely safe.
- Highly concentrated bromelain supplements (not pineapple itself) should be avoided during pregnancy.
- Tinned pineapple in juice is a convenient and nutritious option — choose juice over syrup to limit added sugar.
- Pineapple is acidic and may worsen heartburn in the second and third trimester.
NHS guidance: https://www.nhs.uk/pregnancy/keeping-well/vitamins-supplements-and-nutrition/