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Pregnancy, Vomiting (cont.)

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:

    • Side effects from too much of a certain drug

    • Liver and gastrointestinal disorders

      • Preeclampsia: A toxic condition that develops in late pregnancy and causes a sudden rise in blood pressure, excessive weight gain, fluid build-up, albumin in your urine, severe headache, and visual disturbances.

      • Peptic ulcer

      • Gallstones

      • Gastroenteritis (food poisoning)

      • Appendicitis

      • Migraine

      • Metabolic disorders: Hyperthyroidism, Addison disease, diabetic ketoacidosis

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      Patient Comments & Reviews

      The eMedicineHealth doctors ask about Pregnancy, Vomiting:

      Pregnancy, Vomiting - Treatment

      What was the best treatment for your pregnancy, vomiting?





      Read What Your Physician is Reading on Medscape

      Pregnancy, Hyperemesis Gravidarum »

      Nausea and vomiting are common in pregnancy, occurring in 70-85% of all gravid women.

      Read More on Medscape Reference »


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