Please assess the completion status of the following clinical trial:

Trial Title: Cerclage for Short Cervix in Twins

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

Eligibility Criteria:
Inclusion Criteria:~* at least 14 years of age, but less than 55 yrs of age~* must be able to read and write English~* must be able to give informed consent.~* Twin pregnancy~Exclusion Criteria:~* Women with a serious physical or mental illness or condition that would substantially interfere with participation in the study~* membrane prolapse beyond the external cervical os,~* major fetal anomaly in either twins will be excluded from randomization.

- Gender: FEMALE
- Minimum Age: 14 Years
- Maximum Age: 45 Years
- Healthy Volunteers: f

Study Arms:
- Cerclage (Type: ACTIVE_COMPARATOR): - Macdonald cerclage placed in standard fashion
- Expectant management (Type: ACTIVE_COMPARATOR): - Patient is placed on activity restrictions

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