Do changes in diet stop pregnancy heartburn?

Sometimes: One of the prime factors in heartburn in pregnancy is that large baby pushing up on your stomach, increasing your intraabdominal pressure and forcing gastric juices upward. Certainly avoiding caffeine, nicotine, peppermint, chocolate, large fatty meals, tomatoes and tomato sauce and spicy foods may help but the best help is delivery.

Pregnancy heart burn: Gastroesophageal reflux (gerd) or heartburn often develops during pregnancy. For anyone with gerd, it is recommended to not consume acidic foods, spicy foods, avoid alcohol and caffeine, and avoid eating late at night. So yes, dietary changes can reduce heartburn. If that doesn't help, you can take a proton pump inhibitor (ie prilosec, prevacid, nexium, protonix, dexilant, (dexlansoprazole) etc).