Complex sentence: In the fall of 1882, she matriculated with the Woman's Medical College of the New York Infirmary, and after spending six years in the study and practice of medicine was obliged to abandon it because of threatened nervous prostration.
Split into simpler sentences: In the fall of 1882, she matriculated with the Woman's Medical College of the New York Infirmary. After spending six years in the study and practice of medicine, she was obliged to abandon it because of threatened nervous prostration.