She is right! I would def say you are experiencing one of the bad pregnancy symptoms, acid reflux it can make you very miserable. It is nothing much to worry about unless you can't keep anything down. Try tums!!
Compliments of WebMD....lol
acid produced by your stomach can move up into your esophagus. This can cause symptoms like a burning chest pain (heartburn).
Eating large meals or lying down right after a meal
Being overweight or obese
Eating a heavy meal and lying on your back or bending over at the waist
Snacking close to bedtime
Eating certain foods, such as citrus, tomato, chocolate, mint, garlic, onions, or spicy or fatty foods
Drinking certain beverages, such as alcohol, carbonated drinks, coffee, or tea
Smoking
Being pregnant
Taking aspirin, ibuprofen, certain muscle relaxers, or blood pressure medications
Common symptoms of acid reflux are:
Heartburn: a burning pain or discomfort that may move from your stomach to your abdomen or chest, or even up into your throat
Regurgitation: a sour or bitter-tasting acid backing up into your throat or mouth
Other symptoms of acid reflux disease include:
Bloating
Bloody or black stools or bloody vomiting
Burping
Dysphagia -- a narrowing of your esophagus, which creates the sensation of food being stuck in your throat
Hiccups that don't let up
Nausea
Weight loss for no known reason
I used TUMS when I experienced this in my first trimester . Hope this helps dear. Apparently its quite normal with pregnancy