Please assess the completion status of the following clinical trial:

Trial Title: Metformin to Prevent Late Miscarriage and Preterm Delivery in Women With Polycystic Ovary Syndrome

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

Eligibility Criteria:
Inclusion Criteria:~* Age: 18-45 years~* PCOS diagnosed or reconfirmed according to Rotterdam 2003 criteria, not more than 5 years prior to inclusion~* Mode of conception: Any~* Single, viable fetus, diagnosed by vaginal ultrasound~* Gestational week at inclusion: week 6 + 0 to 12 + 0~* Wash out for metformin: at least 7 days~* Able to communicate fluently in the official language at the study cite or English~Exclusion Criteria:~* Any type of diabetes (except GDM in former pregnancy)~* Known liver disease or ALAT \> 100 IU/L~* Known kidney disease or creatinine \> 110 μmol/L~* Known alcohol or drug abuse~* Use of drugs interfering with metformin: erytromycin (or other macrolides), cimetidine, anticoagulation therapy~* Unsuitable for participation of other reasons

- Gender: FEMALE
- Minimum Age: 18 Years
- Maximum Age: 45 Years
- Healthy Volunteers: f

Study Arms:
- metformin (Type: EXPERIMENTAL): None
- placebo (Type: PLACEBO_COMPARATOR): None

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