As regular taste preferences can change during pregnancy, even women who usually avoid spicy foods can find themselves hankering for the hot stuff. Satisfy safely: Spicy foods are generally safe for pregnant women to eat. However, be careful not to overdo it as they can cause heartburn and other digestive issues. Eating spicy food can cause digestion problems leading to discomfort in a pregnant woman. Spicy food will increase acid reflux and aggravate heartburn, especially in the late months of pregnancy.