Concern for trauma, premature labor, and abruption
Viable = >23-24wk (~fundus above umbilicus)
nl FHR = 110-160 beats/min
The leading cause of death in women during their reproductive years
The leading non-obstetric cause of death and disability in pregnant women
Trauma or accidental injury complicates up to 7% of all pregnancies
For maternal vitals see Maternal Vitals and Labs in Pregnancy
Maternal heart rate > 100
Injury  Severity Score > 9
Evidence of placental abruption
Fetal heart rate  > 160 or  <120
Ejection during a motor vehicle crash
Motorcycle or pedestrian collisions
Trauma in pregnancy
Diaphragmatic trauma
Comorbid diseases in pregnancy
Liver trauma
Headache during pregnancy
Splenic trauma
Vaginal bleeding in pregnancy 
Pelvic fractures