Heartburn is going to stay with you till you deliver. You will start to experience a burning feeling which will cause discomfort. You will have this feeling from your mouth to your stomach and onward to your bowel. This is caused because the pregnancy hormone that gets produced makes the digestive tract to leak and this cause acid re-flux. This also makes the muscles to the gastrointestinal tract to relax. This is the reason why the food moves slowly in the body and when you eat fast then the food does not get processed quickly causing discomfort. Spicy food and caffeine could cause a lot of heartburn. Eating small meals in frequent intervals can give you some relief from heart burns.