What is hyperemesis gravidarum?
Whilst the majority of women may experience what is commonly known as ‘morning sickness’, a small percentage of women develop hyperemesis gravidarum, which is a really severe form of nausea and vomiting that can last all day.
What causes hyperemesis gravidarum?
According to Standford Childrens Health the cause is unknown however it is thought to be hormone related. Unfortunately it is also more common in multiple birth pregnancies.