What The Study Did: This randomized clinical trial examined the effects of daily folic acid and zinc supplementation in men on semen quality and live births among 2,300 couples planning infertility treatment.
To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/
Authors: Enrique F. Schisterman, Ph.D., of the Eunice Kennedy Shriver National Institute of Child Health and Human Development in Bethesda, Maryland, is the corresponding author.
(doi:10.1001/jama.2019.18714)
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