Hemodynamically significant heart disease (A)
Resrictive lung disease (A)
Incompetent cervix/cerclage (A)
Multple gestation at risk for premature labor (A)
Persistent second- or third-trimester bleeding (A)
Placenta previa after 26 weeks of gestation (A)
Premature labor during the current prganacy (A)
 Ruptured membranes (A)
Preeclampsia/ pregnancy-induced hypertension (A)
Severe anemia (R)
Unevaluated matenal cardiac arrhythmias (R)
Chronic bronchitis (R)
Poorly controlled tpe I diabetes (R)
Extreme morbid obesity (R)
History of extremely sedentary lifestyle (R)
Intrauterine growth restriction in current pregnancy (R)
Poorly controlled hypertention (R)
Orthopedic limitations (R)
Poorly controled seizure disorders (R)
Poorly controlled hyperthyroidsism (R)
Heavy smoker (R)
Chest Pain (T)
Dyspnea prior to exertion (T)
Dizziness (T)
Headache (T)
Vaginal bleeding (T)
Muscle weakness (T)
Calf pain (T)
Pretrm labor decreased fetal movement  (T)
Amniotic fluid leakage (T)
Table 1: Absolute (A), Relative (R), and Reason to Terminate Exercise (T) from the American College of Obstetricians and Gynecologists.