According to NYHA grading, Patients with marked limitation to physical activity belongs to
New York Hea Association Functional Classification of Cardiac diseaseGrade I: Patients have no limitation of physical activityGrade II: Patients have slight limitation of physical activityGrade III: Patients have marked limitation of physical activityGrade IV: Patients have an inability to carry on the physical activity without symptomsReference: Practical Guide to High-Risk Pregnancy and Delivery; Chapter 20; Cardiac Disease and Pregnancy
Grade I
Grade II
Grade III
Grade IV
Medical, surgical and gynaecological illness complicating pregnancy