According to your signs and symptom you are suffering from Gastritis in pregnancy.
In pregnency generally some gastric issue can be occurrs
You should follow good life style like take sufficient amount of water and take less spicy and fatty food and do yoga and meditation.
Next Steps
after following good lifestyle if you have still gastric issue then you can take medicine after consultation of the doctor.
Health Tips
you can take balanced diet means that way each things but in the balance manner.
you should keep attention to that food which cause some gastric issue then that food should be avoided.
keep positive attitude to fight any disease and any problem of your life.