1,000
Participants
Start Date
January 31, 2013
Primary Completion Date
July 15, 2016
Study Completion Date
November 20, 2017
Vitamin D at 30 ug/day
Vitamin D at 10 ug/day
Kätilöopisto Maternity Hospital, Helsinki
The Finnish Governmental Special Subsidy for Health Sciences Research
UNKNOWN
Päivikki and Sakari Sohlberg Foundation, Finland
OTHER
The Finnish Medical Association
OTHER
Helsinki University Central Hospital
OTHER