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Cincinnati, Ohio 45229


The purpose of this research study is to compare the effects of higher dose vitamin D with commonly recommended dose in pregnant women to see which is better in achieving and/or maintaining sufficient vitamin D blood levels during pregnancy and in newborn infants as well as improving growth in the infant.

Study summary:

Three dosages of Vitamin D will be administered; 400IU, 2000IU and 4000IU per day to pregnant women starting at less than 16 week gestation continued until delivery. The dose will be provided using a randomized control method. Serum levels of 25 hydroxy D will be measured in mothers at 12, 16, 28 and delivery. Cord blood 25 hydroxy D and the infants' birthweight, length and head circumference will be measured at birth.


Inclusion Criteria: - Women who are within the ages of 18-45 years - In good general health - 12 weeks pregnant (based on last menstrual period) Exclusion Criteria: - Mothers with preexisting type I or type II diabetes - Mothers with preexisting hypertension - Mothers with preexisting parathyroid disease or uncontrolled thyroid disease - Mothers with multiple fetuses (e.g., twins, triplets, etc.)



Primary Contact:

Principal Investigator
Adekunle Dawodu, MBBS
Children's Hospital Medical Center, Cincinnati

Backup Contact:


Location Contact:

Cincinnati, Ohio 45229
United States

There is no listed contact information for this specific location.

Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: October 09, 2019

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