About The Study: There was an increased likelihood of live birth among assisted reproductive technology cycles with a gestational carrier versus those without a gestational carrier in this analysis of 2014 to 2020 national surveillance data. Gestational carrier use was a risk factor for twins, even after adjusting for the number of embryos transferred. More than one-quarter of embryo transfers to gestational carriers involved two or more embryos despite national recommendations of single embryo transfer.
Authors: Lisa M. Shandley, M.D, M.Sc., of the Emory University School of Medicine in Atlanta, is the corresponding author.
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(doi:10.1001/jama.2023.11023)
Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.
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Media advisory: This study is being released to coincide with presentation at the American Society for Reproductive Medicine 2023 Scientific Congress & Expo.
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