Marlena Fejzo, PhDScience for women’s health.

Marlena Fejzo, PhD is a 2024 TIME Woman of the Year honored for her central role in the discovery of the main cause of morning sickness and hyperemesis gravidarum. She is a Harvard-trained women’s health scientist who has published peer-reviewed articles on many diseases of women including ovarian and breast cancer, multiple sclerosis, and discovered the first genes for uterine fibroids, nausea and vomiting of pregnancy (NVP), and hyperemesis gravidarum (HG).

Fejzo’s current work is centered on root cause identification, prediction, prevention, diagnosis, and treatment of adverse pregnancy conditions including HG and preeclampsia to improve maternal, fetal, and child outcomes.