Establishing the Vitamin D Requirements During Lactation
Vitamin D Deficiency
About this trial
This is an interventional treatment trial for Vitamin D Deficiency focused on measuring Breastfeeding, Vitamin D, Vitamin D deficiency
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
Sites / Locations
- University of Rochester Medical Center
- Medical University of South Carolina
Arms of the Study
Arm 1
Arm 2
Arm 3
Active Comparator
Experimental
Experimental
Control 400 IU vitamin D3
2400 IU vitamin D3 (cholecalciferol)
6400 IU vitamin D3 (cholecalciferol)
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 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 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