Promotie Mw. Mirjam M.J. van Heesch, MPhil. 11 september 2019 16:00 Promotores: Prof.dr. C. Dirksen, Prof.dr. J. Evers Co-promotor: Dr. M. van der Hoeven “ECONOMIC EVALUATION OF EMBRYO TRANSFER PROTOCOLS. Long-term costs and effects of reducing the number of twin pregnancies in IVF by single embryo transfer”