Preconceptional Folate Supplementation and the Risk of Spontaneous Preterm Birth: A Cohort Study

• Radek Bukowski ,

  * E-mail: rkbukows@utmb.edu

  Affiliation University of Texas Medical Branch, Department of Obstetrics and Gynecology, Galveston, Texas, United States of America

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• Fergal D. Malone,

  Affiliation Royal College of Surgeons in Ireland, Department of Obstetrics and Gynecology, Dublin, Ireland

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• Flint T. Porter,

  Affiliation University of Utah, Salt Lake City, Utah, United States of America

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• David A. Nyberg,

  Affiliation The Fetal & Women's Center of Arizona, Scottsdale, Arizona, United States of America

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• Christine H. Comstock,

  Affiliation William Beaumont Hospital, Fetal Imaging Department, Royal Oak, Michigan, United States of America

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• Gary D. V. Hankins,

  Affiliation University of Texas Medical Branch, Department of Obstetrics and Gynecology, Galveston, Texas, United States of America

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• Keith Eddleman,

  Affiliation Mount Sinai Medical Center, Department of Obstetrics and Gynecology, New York, New York, United States of America

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• Susan J. Gross,

  Affiliation Montefiore Medical Center–Albert Einstein College of Medicine, Department of Obstetrics & Gynecology and Women's Health, Bronx, New York, United States of America

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• Lorraine Dugoff,

  Affiliation University of Colorado Health Sciences Center, Department of Obstetrics and Gynecology, Denver, Colorado, United States of America

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• Sabrina D. Craigo,

  Affiliation Tufts-New England Medical Center, Department of Obstetrics and Gynecology, Boston, Massachusetts, United States of America

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• Ilan E. Timor-Tritsch,

  Affiliation New York University Medical Center, School of Medicine, Department of Obstetrics and Gynecology, New York, New York, United States of America

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• Stephen R. Carr,

  Affiliation Brown University/Women & Infants' Hospital, Department of Obstetrics and Gynecology, Providence, Rhode Island, United States of America

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• Honor M. Wolfe,

  Affiliation University of North Carolina at Chapel Hill, Department of Obstetrics and Gynecology, Chapel Hill, North Carolina, United States of America

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• Mary E. D'Alton

  Affiliation Columbia University Medical Center, Department of Obstetrics and Gynecology, Maternal-Fetal Medicine, New York, New York, United States of America

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