You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Concerning the gastrointestinal (GI) tract during pregnancy, which of the following is true? and explain in detail?
Heaburn (pyrosis) is the feeling of substernal burning, often radiating to the neck. It is caused by the reflux of acidic (or, rarely, alkaline) material into the esophagus, it is highly specific for gastroesophageal reflux disease. Epulis: A pyogenic granuloma is a common, benign proliferation of connective tissue in response to local trauma or irritation. It occurs primarily on the gingiva. A specific pyogenic granuloma occurring in pregnancy is referred to as a pregnancy tumor. This tumor is benign and usually recurs if removed during pregnancy. If the tumor does not regress 2 to 3 months postpaum, definitive removal is indicated. Ref: Beaudreau R.W. (2011). Chapter 240. Oral and Dental Emergencies. In J.E. Tintinalli, J.S. Stapczynski, D.M. Cline, O.J. Ma, R.K. Cydulka, G.D. Meckler (Eds), Tintinalli's Emergency Medicine: A Comprehensive Study Guide, 7e.