Please assess the completion status of the following clinical trial:

Trial Title: Optimal Regimen of Patient-controlled Epidural Analgesia in Laboring Patients

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: CASE_CONTROL
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~Parturients receiving Combined Spinal epidural analgesia for labor pain relief.~Exclusion Criteria:~Any patient with failed epidural, delivery within 2 hours of epidural insertion, or Cesarean section will be excluded from the study.

- Gender: FEMALE
- Minimum Age: 16 Years
- Maximum Age: 45 Years
- Healthy Volunteers: f

Study Arms:
- GROUP A (Type: None): The PCEA solution will contain 0.1% Bupivacaine + 2.85 mcg/cc of Fentanyl. Basal infusion 7 ml/hour Demand dose 8ml Lockout ( number of doses per hour) 2 Lock out interval 30 minutes
- GROUP B (Type: None): The PCEA solution will contain 0.1% Bupivacaine + 2.85 mcg/cc of Fentanyl. Basal infusion 7 ml/hour Demand dose 5ml Lockout ( number of doses per hour) 4 Lock out interval 15 minutes
- GROUP C (Type: None): The PCEA solution will contain 0.1% Bupivacaine + 2.85 mcg/cc of Fentanyl. Basal infusion 7 ml/hour Demand dose 3ml Lockout ( number of doses per hour) 6 Lock out interval 10 minutes
- GROUP D (Type: None): The PCEA solution will contain 0.1% Bupivacaine + 2.85 mcg/cc of Fentanyl. Basal infusion 14 ml/hour Demand dose 0 ml Lockout ( number of doses per hour) 0 Lock out interval 0 minutes
- GROUP E (Type: None): The PCEA solution will contain 0.1% Bupivacaine + 2.85 mcg/cc of Fentanyl. Basal infusion 7 ml/hour Demand dose 7ml Lockout ( number of doses per hour) 3 Lock out interval 20 minutes

Based on this trial design, predict the completion outcome and termination type (if applicable).