Morning sickness is a common pregnancy symptom that can cause nausea and vomiting. While there is no sure way to prevent morning sickness, there are some things you can do to help reduce your symptoms. These include eating small, frequent meals; avoiding foods that trigger your nausea; getting plenty of rest; and drinking lots of fluids.
If you are experiencing severe morning sickness, talk to your doctor. There are medications that can help reduce nausea and vomiting. You may also need to be hospitalized for intravenous fluids if you are unable to keep anything down.