What causes ‘extreme morning sickness’? What we know, don’t know and suspect about hyperemesis gravidarum
- Written by Karin Hammarberg, Adjunct Senior Research Fellow, Global and Women's Health, School of Public Health & Preventive Medicine, Monash University
globalmoments/GettyMost women experience some nausea and vomiting in early pregnancy.
Although this is called morning sickness, it can happen at any time of day. Up to 80% of women report nausea and vomiting throughout the day.
While morning sickness is unpleasant and can be incapacitating, milder forms are usually manageable and often get better...





