Sabestiaan Mastenbroek Netherlands

Assistant Professor and senior clinical embryologist at Academic Medical Center of the University of Amsterdam, An important focus of his research in past years has been Preimplantation Genetic Screening (PGS). In 2007, publication of his randomized controlled trial on PGS in the New England Journal of Medicine started a fiercely debated controversy on the use of PGS as it showed that the technique lowered pregnancy rates after IVF instead of increasing pregnancy rates.