Hyperemesis Gravidarum

National Organization for Rare Disorders, Inc.

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It is possible that the main title of the report Hyperemesis Gravidarum is not the name you expected.

Disorder Subdivisions

  • None

General Discussion

Hyperemesis gravidarum (HG) is a rare disorder characterized by severe and persistent nausea and vomiting during pregnancy that may necessitate hospitalization. As a result of frequent nausea and vomiting, affected women experience dehydration, vitamin and mineral deficit, and the loss of greater than five percent of their original body weight.

Nausea and vomiting of pregnancy (NVP), more widely known as morning sickness, is a common condition of pregnancy. Many researchers believe that NVP should be regarded as a continuum of symptoms that may impact an affected woman's physical, mental and social well-being to varying degrees. Hyperemesis gravidarum represents the severe end of the continuum. No specific line exists that separates hyperemesis gravidarum from NVP; in most cases, affected individuals progress from mild or moderate nausea and vomiting to hyperemesis gravidarum. The exact cause of hyperemesis gravidarum is not known.

Supporting Organizations

Genetic and Rare Diseases (GARD) Information Center

PO Box 8126
Gaithersburg, MD 20898-8126
Tel: (301)251-4925
Fax: (301)251-4911
Tel: (888)205-2311
Website: http://rarediseases.info.nih.gov/GARD/

NIH/National Institute of Child Health and Human Development

31 Center Dr
Building 31, Room 2A32
Bethesda, MD 20892
Fax: (866)760-5947
Tel: (800)370-2943
Email: NICHDInformationResourceCenter@mail.nih.gov
Website: http://www.nichd.nih.gov/

NIH/Office of Research on Women's Health

6707 Democracy Blvd Suite 400
Bethesda, MD 20892-5484
Tel: (301)402-1770
Fax: (301)402-1798
Email: ODORWH-research@mail.nih.gov
Website: http://orwh.od.nih.gov/

National Healthy Mothers, Healthy Babies Coalition

4401 Ford Avenue
Suite 300
Alexandria, VA 22302
Tel: (703)837-4792
Fax: (703)664-0485
Email: info@hmhb.org
Website: http://www.hmhb.org

National Women's Health Network

1413 K Street, NW
4th Floor
Washington, DC 20005
Tel: (202)682-2640
Fax: (202)682-2648
Email: healthquestions@nwhn.org
Website: https://nwhn.org/

National Women's Health Resource Center

157 Broad Street,
Suite 106
Red Bank, NJ 7701
Tel: (732)530-3425
Fax: (732)530-3347
Tel: (877)986-9472
Email: gcassidy@healthywomen.org
Website: http://www.healthywomen.org

For a Complete Report

This is an abstract of a report from the National Organization for Rare Disorders (NORD). For a full-text version of this report, go to www.rarediseases.org and click on Rare Disease Database under "Rare Disease Information".

The information provided in this report is not intended for diagnostic purposes. It is provided for informational purposes only.

It is possible that the title of this topic is not the name you selected. Please check the Synonyms listing to find the alternate name(s) and Disorder Subdivision(s) covered by this report.

This disease entry is based upon medical information available through the date at the end of the topic. Since NORD's resources are limited, it is not possible to keep every entry in the Rare Disease Database completely current and accurate. Please check with the agencies listed in the Resources section for the most current information about this disorder.

Last Updated:  4/28/2015
Copyright  2015 National Organization for Rare Disorders, Inc.