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Hyperemesis gravidarum (HG) is a pregnancy complication that is characterized by severe nausea, vomiting, weight loss, and possibly dehydration. [1] Feeling faint may also occur. [ 2 ] It is considered more severe than morning sickness . [ 2 ]
643.0 Mild hyperemesis gravidarum; 643.1 Hyperemesis gravidarum with metabolic disturbance; 643.9 Vomiting of pregnancy, unspec. 644 Early or threatened labor. 644.0 Threatened premature labor; 644.1 Other threatened labor; 644.2 Early onset of delivery; 645 Prolonged pregnancy. 645.1 Post term pregnancy; 645.2 Prolonged pregnancy
While some complications improve or are fully resolved after pregnancy, some may lead to lasting effects, morbidity, or in the most severe cases, maternal or fetal mortality. [1] [2] [3] Common complications of pregnancy include anemia, gestational diabetes, infections, gestational hypertension and pre-eclampsia.
Not every woman reacts strongly to the hormone—and that’s why some escape relatively unscathed (around 20%), while the most severe cases (called “HG,” hyperemesis gravidarum—around 2% ...
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Hyperemesis gravidarum affects about one in every 200 pregnancies and results in severe nausea, dehydration, and low blood pressure, among other things.
For women that do not improve with initial treatment, medications, such as pyridoxine and doxylamine, may also be used. [9] A rare form of severe nausea and vomiting known as hyperemesis gravidarum can occur in 1% of pregnant women and can affect fetal and maternal health. [10]
A severe form of the condition is known as hyperemesis gravidarum and results in weight loss. [1] [6] The cause of morning sickness is unknown but may relate to changing levels of the hormone human chorionic gonadotropin. [2] Some have proposed that morning sickness may be useful from an evolutionary point of view. [1]