Hartman 2010.

Trial name or title	Vitamin D supplementation during pregnancy and bone status in children at birth and at 1 year of age
Methods	Prospective randomised controlled study. Parallel assignment
Participants	Pregnant women 20 to 40 years, of any parity status (recruited at 27 weeks' gestation)
Interventions	G1: 400 IU/day vitamin D supplementation from 27 weeks until delivery. G2: 2000 IU/day vitamin D supplementation from 27 weeks until delivery.
Outcomes	Maternal Primary Urinary calcium/creatinine and serum calcium Secondary 25‐hydroxyvitamin D (25OHD) Infants Secondary Vitamin D status in infants Safety measures of vitamin D supplementation
Starting date	November 2010
Contact information	Contact: Corina Hartman, MD (PI); 972‐3‐9253674: corinah@clalit.org.il Raanan Shamir, Professor; 972‐3‐9253673: raanans@clalit.org.il
Notes	Funding: sponsored by: Rabin Medical Center Declarations of interest among primary researchers: NA City/country: Petah Tikva, Israel, 49202