Mary has been running three days a week, lifting weights twice a week, and swimming laps once a week at her local health club for the past five years. mary is now pregnant and her doctor has advised her to ease up on existing exercise and reduce the impact of exercise during pregnancy. to allow for her new lifestyle, mary should make the following changes in her wellness plan a)cease all exercising while she is pregnant b)continue on the same plan c)keep swimming, but try walking instead of running, and do water aerobics instead of lifting weight lifting d)switch to yoga and lamaze classes as her forms of exercise