As though eating during pregnancy wasn?t challenging enough?avoiding foods that aren?t safe, eating enough but not too much and hitting all your nutritional requirements?for many expectant moms, eating also brings on an uncomfortable burning sensation in chest or throat: heartburn.
What causes heartburn during pregnancy"  

Hormonal changes in pregnancy cause the valve between your esophagus and stomach to relax, allowing acid to escape up to your throat, explains Amanda Selk, an OB/GYN at Women?s College Hospital in Toronto. “In addition, as the uterus grows, there is more pressure on your stomach, which can also cause the stomach acid to back up,” she says.
Pregnant women are also prone to heartburn because their digestive system has slowed down, meaning stuff is sticking around in the stomach longer, explains Heather Martin, an Edmonton-based midwife. “This slowed movement of food means, on top of heartburn, you can get constipation and indigestion.” And unfortunately, as the uterus continues to grow and press against the stomach, this triple whammy can intensify.
Preventing heartburn

The best course of action is to try to prevent the heartburn from occurring in the first place. So, eat smaller meals and avoid fatty foods, carbonated beverages, caffeine, acidic foods (like tomatoes) and spicy foods. ?This will help decrease the amount of acid in your stomach,” explains Selk. Citrus fruits like oranges can als...