Please assess the completion status of the following clinical trial:

Trial Title: Randomized Controlled Trial of Vaginal Progesterone in Women With Threatened Preterm Labor

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

Eligibility Criteria:
Inclusion Criteria:~* Women with symptomatic premature contractions successfully arrested for at least 12 hours with tocolytics.~* Women with symptoms suggestive of early preterm labor whose contractions resolve without tocolysis but are fetal fibronectin positive.~* Gestational age 23(+0)-32(+6) weeks.~* Consent to taking part in the study.~Exclusion Criteria:~* Placenta previa~* Preterm premature rupture of membranes at presentation~* Pre-existing hypertension will be excluded in order to reduce the likelihood of iatrogenic preterm delivery within the study women~* Known major fetal anomaly detected on ultrasound~* Multiple pregnancy~* Maternal seizure disorder~* Active or history of thromboembolic disease~* Maternal liver disease~* Known or suspected breast malignancy or pathology~* Known or suspected progesterone-dependent neoplasia~* Plans to move to another city during pregnancy~* Previous participation in a progesterone trial during this pregnancy~* Known sensitivity to progesterone

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

Study Arms:
- Vaginal progesterone (Type: EXPERIMENTAL): None
- Placebo (Type: PLACEBO_COMPARATOR): None

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