During pregnancy, it is common for your heart rate to increase due to hormonal changes and increased blood volume. After eating or drinking, your body diverts more blood flow to the digestive system, which can temporarily cause your heart rate to rise. This can lead to feelings of heaviness in breathing and take some time for your heart rate to return back to normal. However, if you experience any severe symptoms such as chest pain or dizziness, it's important to consult with your healthcare provider as they can evaluate your specific situation and provide appropriate guidance. In general, staying hydrated, avoiding large meals, and practicing relaxation techniques can help manage these symptoms.