Complex sentence: She then earned her BA degree in Home Economics and her MD degree at the University of Western Ontario in 1973 and 1977, respectively, as well as her MSc (Public Health) degree at the National University of Singapore in 1985.
Split into simpler sentences: She then earned her BA degree in Home Economics and her MD degree at the University of Western Ontario in 1973 and 1977. She later earned her MSc (Public Health) degree at the National University of Singapore in 1985.