Up to 90% of pregnant women experience nausea and vomiting. When prolonged or severe, this is known as hyperemesis gravidarum (HG), which can, in individual cases, be life threatening. In this ...

Babies produce a hormone that can cause severe sickness, known as hyperemesis gravidarum (HG), according to a study. Exposure to the GDF15 hormone ahead of pregnancy could be a new treatment.