HG causes severe nausea and vomiting in the mainly in the first trimester (although some women continue vomiting through the last trimester as well). HG keeps pregnant women from drinking enough fluids and eating enough food to stay healthy. In fact, they are unable to keep in whatever little food or water they ingest because of excessive vomiting.
Usually, women with HG begin to feel better by the 20th week of pregnancy. But some women vomit and feel nauseated throughout all three trimesters.
Women with HG get dehydration, nutrient deficiency and electrolyte imbalance because of excessive vomiting.
If left untreated, HG can prevent the baby from getting adequate nourishment for its growth and development.
If you feel you have excessive, persistent vomiting, call your doctor. It is very important that you do not get dehydrated.
This afflicts anywhere form 0.3 - 2% of mothers1.
Severe persistent nausea and/or vomiting several times daily for the first three or four months of pregnancy. Basically, the nausea and vomiting is so bad that you cannot keep anything in and need to vomit what you eat or drink.
Many women with HG have to be hospitalized so they given intravenous fluids and nutrients. They are also given medicines to control vomiting.
1. Rami Eliakim, Ovadia Abulafia, David M. Sherer, "Hyperemesis gravidarum: a current review", Am J Perinatol, 2000;17(4):207-18
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