Please assess the completion status of the following clinical trial:

Trial Title: Effects of a Vaginal Contraceptive Ring on Vaginal Microbiota and Local Immunity

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* ≥18-40 year old women~* BV+ by Amsel criteria and Nugent score OR history of BV in the prior 6 months~* Willing to use the NuvaRing as directed~* Not intending or wishing to become pregnant over the course of the study~* Capable of providing written informed consent~Exclusion Criteria:~* Current pregnancy~* Desire/intent to become pregnant over the course of the study~* Women who are less than 6 weeks postpartum~* Contraindications to hormonal contraceptive use per package insert, including history of deep vein thrombosis, smoking in women older than 35 years~* Current IUD~* Unable to comprehend consent material because of language barrier or psychological difficulty

- Gender: FEMALE
- Minimum Age: 18 Years
- Maximum Age: 40 Years
- Healthy Volunteers: t

Study Arms:
- Cyclic NuvaRing CVR Use (Type: ACTIVE_COMPARATOR): CVR use for 3 weeks, remove for 1 week, then replace
- Continuous NuvaRing CVR Use (Type: EXPERIMENTAL): CVR use for 4 weeks, then replace

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