Please assess the completion status of the following clinical trial:

Trial Title: Assessment of Dose Effectiveness of Vitamin D Supplementation During Pregnancy- a Dose Comparison Trial

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: DOUBLE
- Phase: None
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* Pregnant women aged 15 - 45 years~* Less than 16 weeks pregnant from Last menstrual period.~* Agree to take part in this study, will be enrolled.~Exclusion Criteria:~* Pregnant women with pre existing type 1 or type II diabetes,~* Pregnant women with pre existing hypertension~* Women with multiple fetuses, babies (twins, triplets)~* Women with fetal anomaly in scan~* Refuse to participate in the study

- Gender: FEMALE
- Minimum Age: 15 Years
- Maximum Age: 45 Years
- Healthy Volunteers: t

Study Arms:
- Intervention Group (Type: ACTIVE_COMPARATOR): Arm 1 is receiving vitamin D supplementation in 2000 IU/day ,
- Arm 2 intervention group (Type: ACTIVE_COMPARATOR): Arm 2 is receiving vitamin D supplementation in 4000/IU per day
- Arm 3 control group (Type: ACTIVE_COMPARATOR): Arm 3 is receiving vitamin D supplementation in 400 IU/day

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