This site exists to provide information to sufferers of a severe type of pregnancy sickness called Hyperemesis Gravidarum (HG).

For information about available treatments in the UK see Treatments
If your GP doesn't know about treatment or refuses to prescribe medication see Obtaining Treatment
For links to treatment protocols see Documents and abstracts from recent research in Research.
Fed up of people telling you to try ginger or saying it's only morning sickness? See What to say when... 
Don't believe the hype. There are numerous supposed miracle cures for 'morning sickness', see what we think at 'Miracle Cures'

If you are isolated and need a friendly ear, Pregnancy Sickness Support (PSShave a national network of former sufferers. You can request or offer support through the link (UK Sufferers Support Network). For other links and support forums see Support and Links.

If you have any tips, comments or suggestions let us know using the Your Comments page.


The second International Colloquim on Hyperemesis Gravidarum will take place in Windsor in October 2017. For details see HG Conference

Sep 2016 SURVEYS - a chance for you to share your experience to help with research. There are two open at the moment, one is for women who have had more than one HG pregnancy within the past ten years Recurrence Survey and the other is for anyone who took anti sickness medication for pregnancy sickness NVP Medication survey See the guest blogpost on Spewing Mummy's blog pregnancy about the importance of the patient's point of view in research Spewing Mummy Guest post

Jun 2016. The Royal College of Obstetricians and Gynaecologists have published new Green Top Guidelines (GTG) for the management of Nausea and Vomiting of Pregnancy and Hyperemesis Gravidarum. The GTGs have taken four years to produce and three trustees of Pregnancy Sickness Support have been involved as co-authors from the beginning. The guidelines are freely available online RCOG GTG.

A new paper by Margaret O'Hara and Caitlin Dean of Pregnancy Sickness Support is published in the December 2015 edition of Midirs Digest. It is entitled "Ginger is ineffective for hyperemesis gravidarum, and causes harm: an internet based survey of sufferers". A poster of the main findings can be found at Stop Telling Us To Take Ginger. 

Pregnancy Sickness Support and the British Pregnancy Advisory Service have published a joint report on the issue of women having to terminate wanted pregnancies because of severe pregnancy sickness. The report is available on the homepage of the PSS website.

The Royal College of Obstetricians and Gynaecologists have set up a working group to develop guidelines for the treatment of Nausea and vomiting of Pregnancy, including Hyperemesis Gravidarum. This group includes experienced obstetricians who are at the forefront of treating HG in the UK, and members of Pregnancy Sickness Support so that the patient experience is taken into account. It is hoped that they will be published in 2015.

Pregnancy Sickness Support have a new online forum for support PSS forum

The NICE Clinical Knowledge Summary for Nausea and Vomiting of Pregnancy has been updated, see the details here 

Exciting news for sufferers in the USA, a version of the Canadian drug Diclectin has just been licensed for use in pregnancy Diclegis licensed. For a full text article of research showing that preemptive treatment with Diclectin is effective see Maltepe 2013 Preemptive Diclectin

The media interest in HG following the announcement of The Duchess of Cambridge's admission to hospital for HG has thrown up a lot of debate. Sadly, a lot of it is ill informed and the typical trivialising nonsense about ginger, crackers and sucking boiled sweets is surfacing in a lot of places. On the plus side, a lot of Pregnancy Sickness Support volunteers and trustees are out there setting the record straight. For facts, not old wives tales about HG, see the PSS website.