what are some risk factors for dvt development?
['Inheriting a blood-clotting disorder. ... ', 'Prolonged bed rest, such as during a long hospital stay, or paralysis. ... ', 'Injury or surgery. ... ', 'Pregnancy. ... ', 'Birth control pills (oral contraceptives) or hormone replacement therapy. ... ', 'Being overweight or obese. ... ', 'Smoking. ... ', 'Cancer.']