Please assess the completion status of the following clinical trial:

Trial Title: Metformin Treatment of Pregnant Women With Polycystic Ovary Syndrome: a Pilot Study

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE2
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* diagnosis polycystic ovary syndrome (PCOS ) before pregnancy~* BMI 27-40 kg/m2~* Human chorionic gonadotropin, beta subunit (HCG-beta) verified pregnancy week 5-8~* At least one of the following criteria: (1) serum testosteron \> 2,5 nmol/L; (2) Sex hormone binding globulin (SHBG) \< 30 nmol; (3) Fasting C-peptid \> 1,0 nmol/L; (4) Menstrual disturbances: oligo-/amenorrhea or metrorrhagia; (5) Hirsutism~Exclusion Criteria:~* known liver disease or ALAT \> 60 IU/L~* S-creatinin \> 130 micromol/L~* diabetes mellitus~* alcohol or drug abuse~* peroral steroid treatment (except inhalation steroids)~* use of cimetidine, anticoagulant, erythromycin or other macrolides~* not suitable for other reasons

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

Study Arms:
- Metformin (Type: EXPERIMENTAL): Metformin 850 mg x 2 daily
- placebo (Type: PLACEBO_COMPARATOR): Placebo 1 tablet x 2 daily

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