Diagnosis ° sign and sympton 1. Vaginal bleeding 2. Uterine tenderness or back pain 3. Fetal distress 4. High frequency contractions ypertonus 6. Idiopathic preterm labor 7. Dead fetusDiagnosis • sign and symptom 1. Vaginal bleeding 2. Uterine tenderness or back pain 3. Fetal distress 4. High frequency contractions 5. Hypertonus 6. Idiopathic preterm labor 7. Dead fetus