Lois Jovanovič: a giant in the field of diabetes and pregnancy.

Lois Jovanovič (1947-2018) was a trailblazing and relentless clinical endocrinologist and researcher whose innovative approaches to diabetes and pregnancy changed the lives of thousands of women and their babies. Of her many accomplishments, she is best known for devising the diabetes and pregnancy protocols of intensive insulin delivery and glucose control that have made it possible for thousands of women with diabetes to deliver healthy babies and for pioneering the use of insulin analogues in pregnancy. Her research also paved the way for the development of the artificial pancreas. This biographical portrait describes her personal involvement with diabetes, her beginnings as a medical doctor, and highlights her main contributions to the field of diabetes.