Trauma increases the risks of spontaneous abortion and preterm labor, thus obstetric consultation should be considered in any traumatized parturient. Furthermore, all women of childbearing age should have their hCG measured, as early pregnancies are often unknown. Pelvic shielding should be provided for all radiographic exams, when available. Fetal heart rate monitoring is indicated if the potential for viability has been reached (otherwise it is irrelevant, as delivery for fetal distress would be fatal). If preterm labor occurs, it is often treated with β-agonists (terbutaline) or magnesium.