Please assess the completion status of the following clinical trial:

Trial Title: Effect of Propofol on Postoperative Nausea and Vomiting.

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: OTHER
- Time Perspective: None
- Masking: SINGLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Parturient aged between 18 - 50 years~* Elective Cesarean under spinal anesthesia~* Patients at increased risk of PONV based on Apfel score 2 or more~* ASA Class II~* Ability to give informed consent~Exclusion Criteria:~* Allergy to propofol~* ASA Class III and above~* Anti emetic drug administered 24 hrs prior to surgery

- Gender: FEMALE
- Minimum Age: 18 Years
- Maximum Age: 50 Years
- Healthy Volunteers: t

Study Arms:
- Propofol (Type: ACTIVE_COMPARATOR): Subhypnotic dose of propofol, 0.5mg/kg, 10 - 15 min before end of surgery
- Placebo (Type: PLACEBO_COMPARATOR): Normal saline 0.9%, 10 mL , 10 - 15 min before end of surgery

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