2,464
Participants
Start Date
April 30, 2011
Primary Completion Date
July 31, 2016
Study Completion Date
September 30, 2016
Folic Acid 4 mg
Folic Acid 1.0 mg or placebo x 4 tablets will be taken daily by oral administration. The majority of women in the study will routinely take 1.0 mg folic acid in a prenatal vitamin supplement, as recommended by their primary obstetrical provider; the study requirements do not require that participants change their practice. Therefore the actual total daily dose may be up to 5.1 mg of folic acid
Placebo
Placebo x 4 tablets will be taken daily by oral administration.
Nepean, Penrith
Sunshine, St Albans
Royal Women's Hospital, Parkville
Ipswich, Ipswich
Townsville, Douglas
Adelaide, North Adelaide
Hospital Escuela Eva Perón, Rosario
Hospital Provincial, Rosario
Hospital Roque Saenz Penia, Rosario
Maternidad Martin, Rosario
Sanatorio de la Mujer, Rosario
Cemic, Buenos Aires
Hospital Cullen, Santa Fe
Hosptial Iturraspe, Santa Fe
Jubilee, Kingston
Spanishtown, Kingston
University of West Indies, Kingston
Calgary Foothills Medical Center, Calgary
Edmonton Lois Hole Hospital for Women, Edmonton
Vancouver BC Women's Hospital and Health Center, Vancouver
St-Paul's Hospital, Vancouver
Fredericton Dr. Everett Chalmers Regional Hospital, Fredericton
Moncton Hospital, Moncton
Saint John Regional Hospital, Saint John
Winnipeg St. Boniface General Hospital, Winnipeg
Winnipeg University of Manitoba, Winnipeg
St-John's Women's Health Centre, St. John's
Hamilton McMaster University, Hamilton
Kingston, Kingston
London, London
Ottawa Hospital, Ottawa
Civic Hospital, Ottawa
Sault Ste- Marie Sault Area Hospital, Sault Ste. Marie
Sunnybrook Health Sciences, Toronto
Quebec City (CHUL) Centre Hospitalier Universitaire, Montreal
Saint-Luc CHUM - Montreal, Montreal
McGill University Royal Victoria Hospital, Montreal
Sainte-Justine, Montreal
St-Mary's Hospital, Montreal
Regina Qu'Appelle Health Region, Regina
Hinchingbrooke, Huntingdon
Warrington and Halton Hospitals NHS Foundation Trust, Warrington
Darlington Memorial Hospital, Darlington
University Hospital of North Durham, Durham
Cumberland Infirmary, Carlisle
West Cumberland Hospital, Whitehaven
Fairfield, Bury
Rochdale, Rochdale
Lincolnshire, Lincoln
Ormskirk, Southport
Northwick Park Hospital, Harrow
West Middlesex University Hospital, Isleworth
49 Marine Avenue & CCGs, Whitley Bay
Wansbeck General Hospital, Ashington
St George's Hospital, London
Gateshead Queen Elizabeth Hospital, Gateshead
South Tyneside District Hospital, South Shields
The Royal Wolverhampton NHS Trust, New Cross Hospital, Wolverhampton
Blackburn, Blackburn
Burnley, Burnley
North Manchester, Crumpsall
Guy's & St Thomas' Hospital, London
South Tees Hospital, Middlesbrough
Newcastle upon Tyne Hospitals, Newcastle upon Tyne
North Tyneside General Hospital, North Shields
Norfolk & Norwich, Norwich
Nottingham City Hospital, Nottingham
Nottingham Queens Medical Centre, Nottingham
Oldham, Oldham
North Tees Hospital, Stockton
Sunderland Royal Hospital, Sunderland
Hillingdon Hospital, Uxbridge
Lead Sponsor
Canadian Institutes of Health Research (CIHR)
OTHER_GOV
Ottawa Hospital Research Institute
OTHER