Dr. Marlena Fejzo, HER Foundation’s Research Director, Harmonia Healthcare’s Chief Scientific Officer, and an Assistant Professor at USC has been honored as one of Forbes 50 over 50: Innovation! Discover…
Dr. Marlena Fejzo was named one of TIME’s 100 most influential people in health! We are thrilled to congratulate Dr. Fejzo for receiving this award related to her groundbreaking research…
A new study published in Nature reveals abnormally high levels of the hormone GDF15, and increased sensitivity to it, are the major factors contributing to HG. The most severe form…
Using genetics, the HER Foundation, led by Marlena Fejzo, PhD., found the cause of HG is related to the nausea and vomiting hormone GDF15. Our newest study is pending publication and was featured in New Scientist.
In 2023, we will continue our support of families across the globe, continue our groundbreaking research, advocate to change policy to improve maternal and fetal outcomes, and launch an exciting new education program!
What is the cause of hyperemesis gravidarum? Dr. Fejzo presented our team’s results from the largest ever genetic study of HG (7,197 HG cases and 178,953 controls) at the American Society of Human Genetics annual conference in Los Angeles on October 26, 2022.
HER Board members, Marlena Fejzo, PhD, and Patrick Mullen, MD, are running the first study of GDF15 in HG patients in the United States.

