Prospective Case-Control Study of Cardiovascular Changes in Pregnancy Related Hypertensive Disorders

Case Inclusion Criteria: 1. Adult females age \> 18 years 2. Must be able to read and understand English and consent for themselves 3. Must have a singleton pregnancy and a diagnosis of preeclampsia or gestational hypertension 4. Must be willing and able to come to West Penn Hospital for post-partum visits at 6-8 weeks and then at 6-7 months. Case Exclusion Criteria: 1. Prior history of hypertension 2. Multiple pregnancies 3. Other comorbidities such as congenital heart disease, dialysis dependent renal failure, heroin abuse, cocaine abuse, pulmonary hypertension, congestive heart failure, autoimmune conditions such as SLE or severe lung disease. 4. Subjects who, in the opinion of the Investigator, may be non-compliant with study schedules or procedures. Control Inclusion Criteria: 1. Adult females age \> 18 years 2. Must be able to read and understand English and consent for themselves 3. Must have a singleton pregnancy and not have a prior or current diagnosis of hypertension 4. Must be willing and able to come to West Penn Hospital for post-partum visits at 6-8 weeks. Control Exclusion Criteria: 1. Prior history and/or current diagnosis of hypertension 2. Multiple pregnancies 3. Other comorbidities such as congenital heart disease, dialysis dependent renal failure, heroin abuse, cocaine abuse, pulmonary hypertension, congestive heart failure, autoimmune conditions such as SLE or severe lung disease. 4. Subjects who, in the opinion of the Investigator, may be non-compliant with study schedules or procedures.