In 1980, she switched to studying medicine and enrolled at the Hannover Medical School, where she graduated in 1987 and acquired her medical license. From 1988 to 1992, she worked as an assistant physician at the Women's Clinic of the Hannover Medical School. Upon completing her doctoral studies, she graduated as a Doctor of Medicine in 1991. Following the birth of twins, she was a housewife in Stanford, California, from 1992 to 1996, while her husband was a faculty member of Stanford University.