Baltimore Washington Medical Center will offer exercise classes starting Monday, Jan. 13 in beginning yoga, beginning yoga/pilates combination, fitness fusion, pilates, prenatal yoga and yoga classes at the center, 301 Hospital Drive, Glen Burnie and at BW Health Services, 7556 Teague Road, Hanover. The session will run 10 consecutive weeks. Cost $50. Pre-registration is required. Register online and view descriptions of each class at mybwmc.org/exercise.