Please assess the completion status of the following clinical trial:

Trial Title: Cervical Pessary for Prevention of Spontaneous Preterm Birth in Singleton Pregnancies With Arrested Preterm Labor

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

Eligibility Criteria:
Inclusion Criteria:~* Singleton gestations~* Diagnosis of arrested PTL~* 18-50 years of age~* TVU CL ≤25mm at the time of randomization~Exclusion Criteria:~* Multiple gestations~* Rupture of membranes at the time of randomization~* Known major fetal structural (i.e. defined as those that are lethal or require prenatal or postnatal surgery) or chromosomal abnormality~* Fetal death at the time of randomization~* Cerclage in situ at the time of randomization~* Pessary in situ at the time of randomization~* Vaginal bleeding at the time of randomization~* Women who are unconscious, severly ill, mentally handicapped, or under the age of 18 years~* Placenta previa and/or accreta~* Ballooning of membranes outside the cervix into the vaginal or TVU CL = 0mm at the time of randomization~* Painful and regular uterine contractions at the time of randomization

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

Study Arms:
- Pessary (Type: EXPERIMENTAL): Silicon device applied on the cervix
- No Pessary (Type: ACTIVE_COMPARATOR): standard care, no pessary

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