Genes associated with extreme morning sickness identified

Extreme morning sickness, also known as Hyperemesis gravidarum (HG), is a complication of pregnancy affecting between 0.3-2% of pregnancies. It is characterized by severe nausea, vomiting, weight loss, and dehydration. HG is more than just feeling sick, it can cause serious health problems for mother and child and in extreme cases can lead to maternal…