Pregnancy can cause increased pressure within theabdominal cavity and affect LES function and predispose it to reflux. It dilutes digestive enzymes. Alternatively, one may use an under-mattress foam wedge to elevate the head about 6-10 inches. Eating smaller, more frequent meals, rather than three large meals a day can help. What Cure acid reflux naturally diet heartburn . Ask your GP or pharmacist for advice. I've helped hundreds of people with anxiety related heartburn overcome their symptoms through my free anxiety test. Aloe Vera Juice Taking aspirin. When you're pregnant, you are more likely to have indigestion due to: Esophageal spasm.