Please assess the completion status of the following clinical trial:

Trial Title: Establishing the Vitamin D Requirements During Lactation

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE3
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* Mother plans to breastfeed exclusively for at least six months~* Mother is in good health~* Infant is 35 weeks' gestation or greater~* Breastfeeding infant is in good health ( Level I nursery; or Level II nursery but not requiring oxygen therapy or parenteral nutrition beyond first 72 hours).~Exclusion Criteria:~* Mother does not plan to breastfeed exclusively for the first six months (plans to use formula for infant's feedings during the first six months~* Infant has been admitted to Neonatal Intensive Care unit requiring oxygen therapy or parental nutrition beyond the first 72 hours~* Infant is less than 35 weeks' gestation~* Infant has been diagnosed with a congenital anomaly or abnormal chromosomal pattern~* Mother has a history of endocrine dysfunction involving parathyroid gland, diabetes, or calcium abnormalities related to renal disease such that calcium parameters are abnormal~* Mother has history of hypercalciuria

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

Study Arms:
- Control 400 IU vitamin D3 (Type: ACTIVE_COMPARATOR): 400 IU vitamin D3/day given to lactating women and 400 IU vitamin D3/day given as oral supplement to infant in dyad
- 2400 IU vitamin D3 (cholecalciferol) (Type: EXPERIMENTAL): 2400 IU vitamin D3 given to lactating mother: 400 IU vitamin D3 from a prenatal vitamin and 2000 IU vitamin D3 and 0 IU vitamin D3 (placebo) given to her breastfeeding infant
- 6400 IU vitamin D3 (cholecalciferol) (Type: EXPERIMENTAL): 6400 IU vitamin D3 given to lactating mother: 400 IU vitamin D3 from a prenatal vitamin and 6000 IU vitamin D3 and 0 IU vitamin D3 (placebo) given to her breastfeeding infant

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