![](https://communications.yale.edu/sites/default/files/styles/experts_node_pg/public/kallen.jpg?itok=KeGlGHfL)
Assistant Professor of Obstetrics, Gynecology, and Reproductive Sciences
Field:
Expertise:
Infertility, women’s health advocacy, fertility preservation, transgender medicine, pregnancy loss
Description:
My current research program is focused on the molecular mechanisms that regulate production of steroid hormones (in particular estrogen and progesterone) and the development of infertility.
In the Media: