Pregnant women can eat pineapple, and eating pineapple in moderation will not affect the fetus too much. Pineapple is rich in vitamin B and vitamin C, as well as calcium, potassium, iron, manganese and other trace elements, which can provide pregnant women with the nutrients needed by the body, which is conducive to the growth and development of the fetus. In addition, pregnant women due to excessive secretion of progesterone, will inhibit gastrointestinal motility, resulting in constipation, and pineapple is also rich in dietary fiber, after consumption can effectively promote gastrointestinal motility, prevention and relief of constipation in pregnant women. However, the sugar content in pineapple is high, and consuming too much of it can easily lead to elevated blood sugar in pregnant women, which increases the risk of having a huge baby and giving birth. In addition, consuming too much pineapple will aggravate the burden on the gastrointestinal tract, causing pregnant women to experience abdominal pain, diarrhea and other adverse reactions, affecting fetal growth and development. Therefore, pregnant women can appropriately eat less pineapple, and before eating it should be fully soaked in salt water to prevent discomfort.