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Hyperemesis gravidarum (HG) is a severe form of morning sickness, with "unrelenting, excessive pregnancy-related nausea and/or vomiting that prevents adequate intake of food and fluids."[1] Hyperemesis is considered a rare complication of pregnancy but, becausenausea and vomiting during pregnancy exist on a continuum, there is often not a good diagnosis between common morning sickness and hyperemesis. Estimates of the percentage of pregnant women afflicted range from 0.3% to 2.0%

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14y ago

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