https://my.clevelandclinic.org/health/diseases/12232-hyperemesis-gravidarum
Hyperemesis gravidarum is extreme morning sickness and causes you to vomit several times per day during pregnancy. In severe cases, it leads to dehydration and may cause premature birth. With treatment, most people can find relief from their symptoms and get the nourishment they need to support their pregnancy. Talk to your healthcare provider

https://www.ncbi.nlm.nih.gov/books/NBK532917/
Hyperemesis gravidarum refers to intractable vomiting during pregnancy, leading to weight loss and volume depletion, resulting in ketonuria and/or ketonemia.[1][2] There is no consensus on specific diagnostic criteria, but it generally refers to the severe end of the spectrum regarding nausea and vomiting in pregnancy. It occurs in approximately two percent of all pregnancies in the United

https://www.healthline.com/health/hyperemesis-gravidarum
Hyperemesis gravidarum. HG is a rarer condition, happening in only about 0.5% to 2% of pregnancies. It typically includes nausea that doesn't go away and severe vomiting that leads to

https://americanpregnancy.org/healthy-pregnancy/pregnancy-complications/hyperemesis-gravidarum/
Hyperemesis gravidarum is a condition characterized by severe nausea, vomiting, weight loss, and electrolyte disturbance. Mild cases are treated with dietary changes, rest, and antacids. More severe cases often require a stay in the hospital so that the mother can receive fluid and nutrition through an intravenous line (IV).

https://www.hyperemesis.org/about-hyperemesis-gravidarum/
Hyperemesis Gravidarum (HG) is a debilitating and potentially life-threatening pregnancy disease that may cause weight loss, malnutrition, and dehydration due to severe nausea and/or vomiting with potentially adverse consequences for the patient and the newborn (s). Download HER Foundation HG Brochure. Hyperemesis Gravidarum is a potentially

https://en.wikipedia.org/wiki/Hyperemesis_gravidarum
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] Symptoms often get better after the 20th week of pregnancy but may last the entire pregnancy duration.

https://www.aafp.org/pubs/afp/issues/2014/0615/p965.html
Hyperemesis gravidarum describes nausea and vomiting that is severe enough to cause fluid and electrolyte disturbances, and often requires hospitalization. 6 It affects up to 1% of pregnant women

https://www.verywellhealth.com/hyperemesis-gravidarum-overview-5176336
Hyperemesis gravidarum, a more severe form of nausea and vomiting, is estimated to affect 0.3% to 10.8% of pregnancies. This condition is the most severe form of nausea and vomiting during pregnancy, and it often begins before the 20 th week of pregnancy.

https://www.uptodate.com/contents/nausea-and-vomiting-of-pregnancy-treatment-and-outcome
Patients with a history of hyperemesis gravidarum may need higher doses of antiemetic prophylaxis (eg, ondansetron 8 mg every 8 hours scheduled for 24 hours or metoclopramide 10 mg every 8 hours, then as needed to prevent nausea/vomiting). It is important to remind patients that loss of appetite is the first sign of nausea/vomiting, and they

https://www.merckmanuals.com/professional/gynecology-and-obstetrics/antenatal-complications/hyperemesis-gravidarum
Hyperemesis gravidarum is an extreme form of normal nausea and vomiting during pregnancy. It can be distinguished because it causes the following: Weight loss (> 5% of weight) Dehydration. Ketosis. Electrolyte abnormalities (in many women) As dehydration progresses, it can cause tachycardia and hypotension.

https://www.medicalnewstoday.com/articles/hyperemesis-gravidarum
Hyperemesis gravidarum is a severe type of morning sickness. It can last much longer than typical pregnancy-related nausea and vomiting, potentially persisting throughout the pregnancy.

https://emedicine.medscape.com/article/254751-overview
Hyperemesis gravidarum is the most severe form of nausea and vomiting in pregnancy. It is characterized by persistent nausea and vomiting not related to other causes that is associated with a measure of acute starvation, such as ketosis and weight loss (>5% of prepregnancy weight). This condition may cause volume depletion, electrolytes and

https://www.everydayhealth.com/hyperemesis-gravidarum/guide/
The primary symptom of hyperemesis gravidarum is severe nausea and vomiting, meaning more than four episodes a day. [ 5] This vomiting can lead to: Feeling dizzy, lightheaded, and faint. Losing

https://www.webmd.com/baby/what-is-hyperemesis-gravidarum
Complications. Hyperemesis gravidarum can cause problems for both you and your baby. It can affect: Your weight. Losing 5% is common. Your kidneys. They may stop working well, causing you to pee

https://www.msdmanuals.com/home/women-s-health-issues/complications-of-pregnancy/hyperemesis-gravidarum
Hyperemesis gravidarum may cause the thyroid gland to become slightly and temporarily overactive (called hyperthyroidism). Rarely, hyperemesis gravidarum continues after 16 to 18 weeks of pregnancy. If it does, the following may occur: The liver may be severely damaged, causing jaundice and break down of liver tissue. If damage to the liver or

https://www.health.nsw.gov.au/kidsfamilies/MCFhealth/Pages/hyperemesis-gravidarum.aspx
This severe NVP is called hyperemesis gravidarum (HG). Around 1 in 100 pregnant women will experience HG, although this number may be higher. It may lead to dehydration (lack of fluid in the body) and cause weight loss and vitamin deficiencies. HG usually starts early in pregnancy, before women are 16 weeks pregnant.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11019608/
What causes hyperemesis gravidarum? The cause of hyperemesis gravidarum is not fully understood and is most likely multifactorial. Pregnancy at a young age, pregnancy with a female fetus, multiple pregnancy, molar pregnancy, underlying medical conditions (e.g., thyroid and parathyroid dysfunction, hypercholesterolemia, type 1 diabetes), or a history of hyperemesis gravidarum are associated

https://www.nytimes.com/2023/12/13/health/morning-sickness-hyperemesis-gravidarum.html
Dec. 13, 2023. The nausea and vomiting that often define the first trimester of pregnancy are primarily caused by a single hormone, according to a study published on Wednesday in the journal

https://www.nhs.uk/pregnancy/related-conditions/complications/severe-vomiting/
Symptoms of hyperemesis gravidarum. HG is much worse than the normal nausea and vomiting of pregnancy. Signs and symptoms of HG include: prolonged and severe nausea and vomiting. dehydration - symptoms include feeling thirsty, tired, dizzy or lightheaded, not peeing very much, and having dark yellow and strong-smelling pee. weight loss.

https://www.rcog.org.uk/for-the-public/browse-our-patient-information/pregnancy-sickness-nausea-and-vomiting-of-pregnancy-and-hyperemesis-gravidarum/
Nausea and vomiting of pregnancy is a common condition that settles by 20 weeks in 9 out of 10 pregnant women. Hyperemesis gravidarum is a severe form of this condition and can affect up to 3 in 100 pregnant women. Nausea and vomiting and hyperemesis gravidarum can affect your mood, your work, your home and your social life.

https://www1.racgp.org.au/ajgp/2022/october/guidelines-for-the-management-of-hyperemesis-gravi
Nausea and vomiting in pregnancy (NVP) affects approximately four-fifths of pregnant women. 1 Severe nausea and vomiting is a common indication for hospitalisation among pregnant women during their first and second trimesters, leading to an average of five days of hospital admission. 2-4 Hyperemesis gravidarum (HG) can cause weight loss and volume depletion as well as ketonuria and ketonemia

https://www.hyperemesis.org/who-we-help/mothers-area/get-info/do-i-have-morning-sickness-or-hg/
Understand the difference in severity between Morning Sickness and Hyperemesis Gravidarum (HG). Significant (>5% of your pre-pregnancy weight) weight loss and recurrent dehydration are classic signs of HG. You lose 5-20 pounds or more. (> 5% of prepregnancy weight). You lose little if any weight. Nausea and vomiting cause you to eat very little

https://www.mayoclinic.org/diseases-conditions/morning-sickness/symptoms-causes/syc-20375254
It also may lead to an imbalance in electrolytes — the salts in blood that control the balance of fluids in the body. Severe nausea and vomiting may result in less urine output. Research is mixed on whether hyperemesis gravidarum causes poor weight gain for the baby during pregnancy. Prevention. There's no sure way to prevent morning sickness.