Pregnancy, Vomiting (cont.)
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Exams and Tests
Your healthcare provider may ask for a urine sample to check for ketones, which is a chemical found in dehydration. In severe cases, your healthcare provider may also take blood samples to check your blood sugar, electrolyte (sodium, potassium, chloride, and bicarbonate) levels, liver function, or levels of certain hormones.
These tests may help your doctor decide how dehydrated you are.
They may also help decide if a different condition is causing your nausea and vomiting, such as a urinary tract infection, hepatitis, or gallstones.
Depending on how far along you are in your pregnancy, the doctor may also check the baby's health by listening for a heartbeat with a Doppler instrument, or by ultrasonography.
Your healthcare provider may diagnose hyperemesis gravidarum only after excluding other serious illnesses. The following are other disorders that may show symptoms similar to hyperemesis gravidarum:
Medically Reviewed by a Doctor on 5/30/2014
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