The Effectiveness of Folate-Fortified Oral Contraceptives in Maintaining Optimal Folate Levels to Protect Against Neural Tube Defects: A Systematic Review

Journal of Obstetrics and Gynaecology Canada : JOGC = Journal D'obstétrique Et Gynécologie Du Canada : JOGC
Mahvash ShereGideon Koren

Abstract

To conduct a systematic review evaluating the effectiveness of a folate-fortified oral contraceptive preparation in increasing blood folate concentrations to levels providing optimal protection against neural tube defects (> 906 nmol/L). We searched Medline, EMBASE, Web of Science, and the Cochrane Library for human studies published from inception to June 2013 that evaluated oral contraceptive use and folate status. Case-control studies, cohort studies, and clinical trials were included. Efficacy and bioequivalence data were evaluated from included studies. Overall, efficacy and bioequivalence data for the folate-fortified oral contraceptive show that it is at least as effective as folic acid alone in raising blood folate concentrations, and that the concomitant administration of folate with the oral contraceptive component does not affect its absorption or kinetics. A folate-fortified oral contraceptive preparation provides an option for women to maintain blood folate levels, especially those who may be planning a family after the cessation of oral contraceptive therapy.

Citations

Jul 28, 2017·European Journal of Nutrition·Szabolcs PéterManfred Eggersdorfer
Dec 1, 2018·Archives of Toxicology·M VidmarM Sollner Dolenc
Jul 12, 2016·Paediatrics & Child Health·Noam AmiUNKNOWN Canadian Paediatric Society, Drug Therapy and Hazardous Substances Committee
Aug 27, 2021·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Sergio CavalheiroAntonio Fernandes Moron

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