Inclusion Criteria:  Women with a diagnosis of HDP inclusive of gestational hypertension, preeclampsia, eclampsia, and chronic hypertension with superimposed preeclampsia Pre-pregnancy BMI >18.5 Age ≥ 18 years Access to a phone Delivery at MGH and receive longitudinal obstetrics care at MGH  Exclusion Criteria:  Moderate or severe cognitive impairment Current incarceration Pre-pregnancy BMI ≤ 18.5 Women without a documented pre-natal weight or weight recorded 1 year prior to pregnancy Baseline exercise of > 150 minutes/ week at the time of study enrollment Not cleared for exercise by primary OB