CUMULATIVE PREGNANCY RATE AFTER ELECTIVE SINGLE EMBRYOTRANSFER: THE IMPACT OF EMBRYO VITRIFICATION PROGRAMME
Background: Multiple pregnancies are undesired consequence of infertility treatment by Mattress Overlays in vitro fertilization (IVF).In 2008 the Health Insurance Institute of Slovenia strove for lowering the number of multiple pregnancies.It widened the rights of patients by reimbursement of two additional IVF cycles, having totally six cycles rei