Bitterness in the mouth during pregnancy may be due to changes in the level of hormone secretion in the body during pregnancy, the function of the digestive tract is also affected, and the reduction of salivary gland secretion may lead to bitterness in the mouth. Generally, the symptoms disappear around 3 months of pregnancy, before that you can have some degree of improvement through dietary regulation, it is recommended to eat more apples, lemons, grapes, tomatoes, etc. can improve the symptoms of bitterness in the mouth. Note that in early pregnancy do not eat spicy and stimulating, too greasy food, easy to affect the appetite caused by indigestion, it is best to eat a light diet easy to digest, you can eat some porridge, noodles and other easily digestible food, milk is also a very good pregnancy food, milk can be calcium, but also to improve sleep during pregnancy. Early pregnancy requires routine supplementation of folic acid to prevent fetal malformations, and it is recommended to have regular maternity checks and not to exercise strenuously.